Alternative Preparation

1-[[4-chloro-2-[(2,2-dimethylpropylamino)methyl]phenyl]methyl]-2-sulfanylidene-5H-pyrrolo[3,2-d]pyrimidin-4-one

(R)-3-(2-(1-aminoethyl)-4-chlorobenzyl)-2-thioxo-2,3-dihydro-1H-purin-6-(7H)-one

(R/S)-1-(4-chloro-2-(1-(methylamino)ethyl)benzyl)-2-thioxo-1,2,3,5-tetrahydro-4H-pyrrolo[3,2-d]pyrimidin-4-one

1-[[5-chloro-2-(methylaminomethyl)phenyl]methyl]-2-sulfanylidene-5H-pyrrolo[3,2-d]pyrimidin-4-one

1-[[2-(azetidin-1-ylmethyl)phenyl]methyl]-2-sulfanylidene-5H-pyrrolo[3,2-d]pyrimidin-4-one

1-{4-Chloro-2-[(methylamino)methyl]benzyl}-2-thioxo-1,2,3,5-tetrahydro-4H-pyrrolo[3,2-d]pyrimidin-4-one

1-[[3-chloro-2-(methylaminomethyl)phenyl]methyl]-2-sulfanylidene-5H-pyrrolo[3,2-d]pyrimidin-4-one

1-[2-(Aminomethyl)-4-chlorobenzyl]-2-thioxo-1,2,3,5-tetrahydro-4H-pyrrolo[3,2-d]pyrimidin-4-one

1-{2-[(Propan-2-ylamino)methyl]benzyl}-2-thioxo-1,2,3,5-tetrahydro-4H-pyrrolo[3,2-d]pyrimidin-4-one

N-[[5-chloro-2-[(4-oxo-2-sulfanylidene-5H-pyrrolo[3,2-d]pyrimidin-1-yl)methyl]phenyl]methyl]acetamide

1-{2-[(1S)-1-Aminoethyl]-4-chlorobenzyl}-2-thioxo-1,2,3,5-tetrahydro-4H-pyrrolo[3,2-d]pyrimidin-4-one

2-Thioxanthine, TX4

2-[6-(5-chloro-2-methoxyphenyl)-4-oxo-2-sulfanylidenepyrimidin-1-yl]acetamide

3-[[2-[(propan-2-ylamino)methyl]phenyl]methyl]-2-sulfanylidene-7H-purin-6-one