[(3S,4E)-4-[2-[(1R,4aS,5R,8aS)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-5,8a-dimethyl-2-methylidene-6-oxo-1,3,4,4a,7,8-hexahydronaphthalen-1-yl]ethylidene]-5-oxooxolan-3-yl] acetate

[(3S,4E)-4-[2-[(1R,4aS,5R,6R,8aS)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-6-hydroxy-5,8a-dimethyl-2-methylidene-3,4,4a,6,7,8-hexahydro-1H-naphthalen-1-yl]ethylidene]-5-oxooxolan-3-yl] acetate

[(1R,4aR,5S,6S,8aS)-5-[(2E)-2-[(4R)-4-[tert-butyl(dimethyl)silyl]oxy-2-oxooxolan-3-ylidene]ethyl]-1,4a-dimethyl-2-oxospiro[3,4,5,7,8,8a-hexahydronaphthalene-6,2'-oxirane]-1-yl]methyl acetate

[(1R,4aR,5S,6R,8aS)-5-[(2E)-2-[(4R)-4-[tert-butyl(dimethyl)silyl]oxy-2-oxooxolan-3-ylidene]ethyl]-1,4a-dimethyl-2-oxospiro[3,4,5,7,8,8a-hexahydronaphthalene-6,2'-oxirane]-1-yl]methyl acetate

[(3S,4E)-4-[2-[(1S,2S,4aS,5R,6R,8aR)-6-hydroxy-5-(hydroxymethyl)-5,8a-dimethylspiro[3,4,4a,6,7,8-hexahydro-1H-naphthalene-2,2'-oxirane]-1-yl]ethylidene]-5-oxooxolan-3-yl] acetate

(3E,4S)-3-[2-[(1S,2R,4aS,5R,6R,8aR)-6-hydroxy-5-(hydroxymethyl)-5,8a-dimethylspiro[3,4,4a,6,7,8-hexahydro-1H-naphthalene-2,2'-oxirane]-1-yl]ethylidene]-4-[tert-butyl(dimethyl)silyl]oxyoxolan-2-one

[(3S,4E)-4-[2-[(1S,2R,4aS,5R,6R,8aR)-6-hydroxy-5-(hydroxymethyl)-5,8a-dimethylspiro[3,4,4a,6,7,8-hexahydro-1H-naphthalene-2,2'-oxirane]-1-yl]ethylidene]-5-oxooxolan-3-yl] acetate

[(3R,4E)-4-[2-[(1R,4aS,5R,6R,8aS)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-6-hydroxy-5,8a-dimethyl-2-methylidene-3,4,4a,6,7,8-hexahydro-1H-naphthalen-1-yl]ethylidene]-5-oxooxolan-3-yl] acetate

(3E,4S)-3-[2-[(1R,4aS,5R,8aS)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-5,8a-dimethyl-2-methylidene-6-oxo-1,3,4,4a,7,8-hexahydronaphthalen-1-yl]ethylidene]-4-hydroxyoxolan-2-one

(1R,4aR,5S,6R,8aS)-5-[(2E)-2-[(4S)-4-[tert-butyl(dimethyl)silyl]oxy-2-oxooxolan-3-ylidene]ethyl]-1-(hydroxymethyl)-1,4a-dimethylspiro[3,4,5,7,8,8a-hexahydronaphthalene-6,2'-oxirane]-2-one

(3E,4S)-3-[2-[(1S,2S,4aS,5R,6R,8aR)-6-[tert-butyl(dimethyl)silyl]oxy-5-(hydroxymethyl)-5,8a-dimethylspiro[3,4,4a,6,7,8-hexahydro-1H-naphthalene-2,2'-oxirane]-1-yl]ethylidene]-4-hydroxyoxolan-2-one

(3E,4R)-3-[2-[(1R,4aS,5R,8aS)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-5,8a-dimethyl-2-methylidene-6-oxo-1,3,4,4a,7,8-hexahydronaphthalen-1-yl]ethylidene]-4-hydroxyoxolan-2-one

(1R,4aR,5S,6R,8aS)-1-[[tert-butyl(dimethyl)silyl]oxymethyl]-5-[(2E)-2-[(4S)-4-[tert-butyl(dimethyl)silyl]oxy-2-oxooxolan-3-ylidene]ethyl]-1,4a-dimethylspiro[3,4,5,7,8,8a-hexahydronaphthalene-6,2'-oxirane]-2-one

[(3R,4E)-4-[2-[(1R,4aS,5R,8aS)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-5,8a-dimethyl-2-methylidene-6-oxo-1,3,4,4a,7,8-hexahydronaphthalen-1-yl]ethylidene]-5-oxooxolan-3-yl] acetate

[(1R,2R,4aS,5R,8aS)-5-[(2E)-2-[(4S)-4-acetyloxy-2-oxooxolan-3-ylidene]ethyl]-1-[[tert-butyl(dimethyl)silyl]oxymethyl]-1,4a-dimethyl-6-methylidene-3,4,5,7,8,8a-hexahydro-2H-naphthalen-2-yl] acetate

[(1R,4aR,5S,6R,8aS)-5-[(2E)-2-[(4S)-4-[tert-butyl(dimethyl)silyl]oxy-2-oxooxolan-3-ylidene]ethyl]-1,4a-dimethyl-2-oxospiro[3,4,5,7,8,8a-hexahydronaphthalene-6,2'-oxirane]-1-yl]methyl acetate

(3E,4S)-3-[2-[(1S,2R,4aS,5R,6R,8aR)-6-[tert-butyl(dimethyl)silyl]oxy-5-(hydroxymethyl)-5,8a-dimethylspiro[3,4,4a,6,7,8-hexahydro-1H-naphthalene-2,2'-oxirane]-1-yl]ethylidene]-4-hydroxyoxolan-2-one

(3E,4S)-3-[2-[(1R,4aS,5R,6R,8aS)-6-hydroxy-5-(hydroxymethyl)-5,8a-dimethyl-2-methylidene-3,4,4a,6,7,8-hexahydro-1H-naphthalen-1-yl]ethylidene]-4-[tert-butyl(dimethyl)silyl]oxyoxolan-2-one

[(1R,4aR,5S,6S,8aS)-5-[(2E)-2-[(4S)-4-[tert-butyl(dimethyl)silyl]oxy-2-oxooxolan-3-ylidene]ethyl]-1,4a-dimethyl-2-oxospiro[3,4,5,7,8,8a-hexahydronaphthalene-6,2'-oxirane]-1-yl]methyl acetate

[(3S,4E)-4-[2-[(1R,4aS,5R,8aS)-5-(hydroxymethyl)-5,8a-dimethyl-2-methylidene-6-oxo-1,3,4,4a,7,8-hexahydronaphthalen-1-yl]ethylidene]-5-oxooxolan-3-yl] acetate

[(1R,2R,4aS,5R,8aS)-2-acetyloxy-5-[(2E)-2-[(4S)-4-[tert-butyl(dimethyl)silyl]oxy-2-oxooxolan-3-ylidene]ethyl]-1,4a-dimethyl-6-methylidene-3,4,5,7,8,8a-hexahydro-2H-naphthalen-1-yl]methyl acetate

Andrographolide

(3E,4R)-3-[2-[(1R,4aS,5R,6R,8aS)-6-hydroxy-5-(hydroxymethyl)-5,8a-dimethyl-2-methylidene-3,4,4a,6,7,8-hexahydro-1H-naphthalen-1-yl]ethylidene]-4-[tert-butyl(dimethyl)silyl]oxyoxolan-2-one

[(1R,2R,4aS,5R,8aS)-2-acetyloxy-5-[(2E)-2-[(4R)-4-[tert-butyl(dimethyl)silyl]oxy-2-oxooxolan-3-ylidene]ethyl]-1,4a-dimethyl-6-methylidene-3,4,5,7,8,8a-hexahydro-2H-naphthalen-1-yl]methyl acetate

(3E,4S)-3-[2-[(1R,4aS,5R,8aS)-5-(hydroxymethyl)-5,8a-dimethyl-2-methylidene-6-oxo-1,3,4,4a,7,8-hexahydronaphthalen-1-yl]ethylidene]-4-[tert-butyl(dimethyl)silyl]oxyoxolan-2-one

(3E,4R)-3-[2-[(1R,4aS,5R,8aS)-5-(hydroxymethyl)-5,8a-dimethyl-2-methylidene-6-oxo-1,3,4,4a,7,8-hexahydronaphthalen-1-yl]ethylidene]-4-[tert-butyl(dimethyl)silyl]oxyoxolan-2-one

[(3R,4E)-4-[2-[(1R,4aS,5R,8aS)-5-(hydroxymethyl)-5,8a-dimethyl-2-methylidene-6-oxo-1,3,4,4a,7,8-hexahydronaphthalen-1-yl]ethylidene]-5-oxooxolan-3-yl] acetate

[(1R,4aS,5R,8aS)-5-[(2E)-2-[(4S)-4-[tert-butyl(dimethyl)silyl]oxy-2-oxooxolan-3-ylidene]ethyl]-1,4a-dimethyl-6-methylidene-2-oxo-3,4,5,7,8,8a-hexahydronaphthalen-1-yl]methyl acetate

(1R,4aR,5S,6R,8aS)-1-(hydroxymethyl)-5-[(2E)-2-[(4S)-4-hydroxy-2-oxooxolan-3-ylidene]ethyl]-1,4a-dimethylspiro[3,4,5,7,8,8a-hexahydronaphthalene-6,2'-oxirane]-2-one

(1R,4aR,5S,6R,8aS)-1-[[tert-butyl(dimethyl)silyl]oxymethyl]-5-[(2E)-2-[(4S)-4-hydroxy-2-oxooxolan-3-ylidene]ethyl]-1,4a-dimethylspiro[3,4,5,7,8,8a-hexahydronaphthalene-6,2'-oxirane]-2-one

[(1R,4aS,5R,8aS)-5-[(2E)-2-[(4R)-4-[tert-butyl(dimethyl)silyl]oxy-2-oxooxolan-3-ylidene]ethyl]-1,4a-dimethyl-6-methylidene-2-oxo-3,4,5,7,8,8a-hexahydronaphthalen-1-yl]methyl acetate

6-nitro-1-benzothiophene 1,1-dioxide

4-[[2-(4-methylphenyl)sulfonyloxyacetyl]amino]benzoic acid