7-ethyl-7-hydroxy-(7S)-7,8,11,13-tetrahydro-10H-[1,3]dioxolo[4,5-g]pyrano[3',4':6,7]indolizino[1,2-b]quinoline-8,11-dione

(19S)-19-ethyl-19-hydroxy-8-methyl-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4,6,8,10,15(20)-heptaene-14,18-dione

(20R)-7-ethyl-7-hydroxy-7,8,11,13-tetrahydro-10H-[1,3]dioxolo[5,4-g]pyrano[3',4':6,7]indolizino[1,2-b]quinoline-8,11-dione

(5S)-16-amino-5-ethyl-5-hydroxy-7,18,20-trioxa-11,24-diazahexacyclo[11.11.0.02,11.04,9.015,23.017,21]tetracosa-1(24),2,4(9),13,15,17(21),22-heptaene-6,10-dione

(20S)-15-chloro-7-ethyl-7-hydroxy-7,8,11,13-tetrahydro-10H-[1,3]dioxolo[5,4-g]pyrano[3',4':6,7]indolizino[1,2-b]quinoline-8,11-dione

(20R)-15-amino-7-ethyl-7-hydroxy-7,8,11,13-tetrahydro-10H-[1,3]dioxolo[5,4-g]pyrano[3',4':6,7]indolizino[1,2-b]quinoline-8,11-dione

(19S)-8-chloro-19-ethyl-19-hydroxy-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4(9),5,7,10,15(20)-heptaene-14,18-dione

(S)-10-Amino-4-ethyl-4-hydroxy-1,12-dihydro-4H-2-oxa-6,12a-diaza-dibenzo[b,h]fluorene-3,13-dione

(20S)-4-Ethyl-4,9-dihydroxy-1,12-dihydro-4H-2-oxa-6,12a-diaza-dibenzo[b,h]fluorene-3,13-dione

(20S)-9,10-Dichloro-4-ethyl-4-hydroxy-1,12-dihydro-4H-2-oxa-6,12a-diaza-dibenzo[b,h]fluorene-3,13-dione

(20S)-9-Bromo-4-ethyl-4-hydroxy-1,12-dihydro-4H-2-oxa-6,12a-diaza-dibenzo[b,h]fluorene-3,13-dione

(19S)-7-chloro-19-ethyl-19-hydroxy-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2(11),3,5,7,9,15(20)-heptaene-14,18-dione

(19S)-7-amino-19-ethyl-19-hydroxy-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2(11),3,5,7,9,15(20)-heptaene-14,18-dione

(5S)-5-ethyl-5-hydroxy-16-nitro-7,18,20-trioxa-11,24-diazahexacyclo[11.11.0.02,11.04,9.015,23.017,21]tetracosa-1(24),2,4(9),13,15,17(21),22-heptaene-6,10-dione

(20S)-4-Ethyl-10-fluoro-4-hydroxy-1,12-dihydro-4H-2-oxa-6,12a-diaza-dibenzo[b,h]fluorene-3,13-dione

(20RS)-10-Chloro-4-ethyl-4-hydroxy-1,12-dihydro-4H-2-oxa-6,12a-diaza-dibenzo[b,h]fluorene-3,13-dione

(20RS)-7-ethyl-7-hydroxy-15-nitro-7,8,11,13-tetrahydro-10H-[1,3]dioxolo[5,4-g]pyrano[3',4':6,7]indolizino[1,2-b]quinoline-8,11-dione

(20RS)-1N-(7-ethyl-7-hydroxy-8,11-dioxo-7,8,11,13-tetrahydro-10H-[1,3]dioxolo[5,4-g]pyrano[3',4':6,7]indolizino[1,2-b]quinolin-15-yl)-2-aminoacetamide hydrochloride

(19S)-19-ethyl-19-hydroxy-7-methyl-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2(11),3,5,7,9,15(20)-heptaene-14,18-dione

(20S)-4-Ethyl-9-fluoro-4-hydroxy-1,12-dihydro-4H-2-oxa-6,12a-diaza-dibenzo[b,h]fluorene-3,13-dione

(20RS)-7-ethyl-8,11-dioxo-7,8,11,13-tetrahydro-10H-[1,3]dioxolo[5,4-g]pyrano[3',4':6,7]indolizino[1,2-b]quinolin-7-yl 2-aminoacetate hydrochloride

(20RS)-10-Amino-4-ethyl-4-hydroxy-1,12-dihydro-4H-2-oxa-6,12a-diaza-dibenzo[b,h]fluorene-3,13-dione

(20RS)-8-ethyl-8-hydroxy-2,3,8,9,12,14-hexahydro-11H-[1,4]dioxino[3,2-g]pyrano[3',4':6,7]indolizino[1,2-b]quinoline-9,12-dione

(20RS)-sodium 2-hydroxy-2-(8-hydroxymethyl-9-oxo-9,11-dihydro[1,3]dioxolo[5,4-g]indolizino[1,2-b]quinolin-7-yl)butanoate

(20RS)-2-Amino-N-(4-ethyl-4-hydroxy-3,13-dioxo-3,4,12,13-tetrahydro-1H-2-oxa-6,12a-diaza-dibenzo[b,h]fluoren-10-yl)-acetamide hydrochloride

(19S)-19-ethyl-19-hydroxy-7-nitro-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2(11),3,5,7,9,15(20)-heptaene-14,18-dione

(S)-4-ethyl-4-hydroxy-1,12-dihydro-4H-2-oxa-6,12a-diaza-dibenzo[b,h]florene-3,13-dione

(20S)-sodium 2-hydroxy-2-(8-hydroxymethyl-9-oxo-9,11-dihydro[1,3]dioxolo[5,4-g]indolizino[1,2-b]quinolin-7-yl)butanoate

(19S)-19-ethyl-8,19-dihydroxy-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4(9),5,7,10,15(20)-heptaene-14,18-dione

(20RS)-4-Ethyl-4,10-dihydroxy-1,12-dihydro-4H-2-oxa-6,12a-diaza-dibenzo[b,h]fluorene-3,13-dione

(S)-10-Dimethylaminomethyl-4-ethyl-4,9-dihydroxy-1,12-dihydro-4H-2-oxa-6,12a-diaza-dibenzo[b,h]fluorene-3,13-dione; hydrochloride

(20S)-4-Ethyl-4-hydroxy-3,13-dioxo-3,4,12,13-tetrahydro-1H-2-oxa-6,12a-diaza-dibenzo[b,h]fluorene-9-carboxylic acid

10-Aziridin-1-ylmethyl-4-ethyl-4,9-dihydroxy-1,12-dihydro-4H-2-oxa-6,12a-diaza-dibenzo[b,h]fluorene-3,13-dione hydrochloride

(20R)-4-Ethyl-4-hydroxy-1,12-dihydro-4H-2-oxa-6,12a-diaza-dibenzo[b,h]fluorene-3,13-dione

(20RS)-4-Ethyl-4-hydroxy-10-methoxy-1,12-dihydro-4H-2-oxa-6,12a-diaza-dibenzo[b,h]fluorene-3,13-dione

(19S)-19-ethyl-19-hydroxy-14,18-dioxo-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2(11),3,5,7,9,15(20)-heptaene-7-carbonitrile

(20RS)-Sodium salt; 2-hydroxy-2-(8-hydroxymethyl-9-oxo-9,11-dihydro-indolizino[1,2-b]quinolin-7-yl)-butyrate

(20RS)-4-(2-Bromo-ethyl)-4-hydroxy-1,12-dihydro-4H-2-oxa-6,12a-diaza-dibenzo[b,h]fluorene-3,13-dione

(20S)-disodium 2-hydroxy-2-(3-hydroxymethyl-9-olato-4-oxo-4,6-dihydroindolizino[1,2-b]quinolin-2-yl)butanoate

(20RS)-8-ethyl-8-hydroxy-8,9,12,14-tetrahydro-11H-[1,3]dioxolo[5,4-f]pyrano[3',4':6,7]indolizino[1,2-b]quinoline-9,12-dione

(20RS)-4-Hydroxy-4-methyl-1,12-dihydro-4H-2-oxa-6,12a-diaza-dibenzo[b,h]fluorene-3,13-dione

(20S)-sodium 2-(13-amino-8-hydroxymethyl-9-oxo-9,11-dihydro[1,3]dioxolo[5,4-g]indolizino[1,2-b]quinolin-7-yl)-2-hydroxybutanoate

(20S)-4-Methyl-piperazine-1-carboxylic acid 4-ethyl-4-hydroxy-3,13-dioxo-3,4,12,13-tetrahydro-1H-2-oxa-6,12a-diaza-dibenzo[b,h]fluoren-9-yl ester

(20RS)-Amino-acetic acid 10-amino-4-ethyl-3,13-dioxo-3,4,12,13-tetrahydro-1H-2-oxa-6,12a-diaza-dibenzo[b,h]fluoren-4-yl ester hydrochloride

(20RS)-sodium 2-(13-amino-8-hydroxymethyl-9-oxo-9,11-dihydro[1,3]dioxolo[5,4-g]indolizino[1,2-b]quinolin-7-yl)-2-hydroxybutanoate

(20RS)-4-Hydroxy-4-(2-hydroxy-ethyl)-1,12-dihydro-4H-2-oxa-6,12a-diaza-dibenzo[b,h]fluorene-3,13-dione

SID50108849

(20RS)-Sodium salt; 2-(1-amino-8-hydroxymethyl-9-oxo-9,11-dihydro-indolizino[1,2-b]quinolin-7-yl)-2-hydroxy-butyrate

(20S)-[1,4']Bipiperidinyl-1'-carboxylic acid 4-ethyl-4-hydroxy-3,13-dioxo-3,4,12,13-tetrahydro-1H-2-oxa-6,12a-diaza-dibenzo[b,h]fluoren-9-yl ester

(20RS)-10-Amino-7,9-dibromo-4-ethyl-4-hydroxy-1,12-dihydro-4H-2-oxa-6,12a-diaza-dibenzo[b,h]fluorene-3,13-dione

(20RS)-6-Ethyl-6-hydroxy-9,11-dihydro-6H-8-oxa-4,10a-diaza-benzo[b]fluorene-7,10-dione

(5R)-16-amino-5-ethyl-5-hydroxy-7,18,20-trioxa-11,24-diazahexacyclo[11.11.0.02,11.04,9.015,23.017,21]tetracosa-1(24),2,4(9),13,15,17(21),22-heptaene-6,10-dione

(5R)-5-ethyl-5-hydroxy-7,18,20-trioxa-11,24-diazahexacyclo[11.11.0.02,11.04,9.015,23.017,21]tetracosa-1(13),2,4(9),14,16,21,23-heptaene-6,10-dione

sodium;(2R)-2-[14-amino-7-(hydroxymethyl)-8-oxo-16,18-dioxa-2,9-diazapentacyclo[11.7.0.03,11.04,9.015,19]icosa-1(20),2,4,6,11,13,15(19)-heptaen-6-yl]-2-hydroxybutanoate

(19R)-19-ethyl-19-hydroxy-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4,6,8,10,15(20)-heptaene-14,18-dione