2H,5H-1,4,13-Trioxaindeno[4',5':6,7]cyclohept[1,- 2,3-bc]acenaphthylene-3,3a,13b(3H,13aH)-triol,7,7a,9,10,10a,11,12,12a,12b,13c-decahydro-5- methoxy-10a,12a-dimethyl-8-(1-methylethyl)-,3-acetate,(3R,3aS,5R,7aR,10aR,12aR,- 12bS,13aS,13bS,13cR)-

CAS:62744-72-3

Formula:C28H40O8

Withanolides

CAS:63139-16-2

Formula:C28H40O8

5-[(11,17-dihydroxy-3,20-dioxopregn-4-en-21-yl)oxy]-3,3-dimethyl-5-oxopentanoic acid

CAS:6314-85-8

Formula:C28H40O8

4ALPHA-PHORBOL 12,13-DIBUTYRATE

CAS:93781-54-5

Formula:C28H40O8

taxusin

CAS:19605-80-2

Formula:C28H40O8

6H-2,8b-Epoxyoxireno[6,7]azuleno[5,4-e]-1,3-benzodioxol-6-one,2-heptyl-3a,3b,3c,4a,5,5a,8a,9,10,10a-decahydro-5,5a-dihydroxy-4a-(hydroxymethyl)-7,9-dimethyl-10a-(1-methylethenyl)-,(2R,3aR,3bS,3cS,4aR,5S,5aS,8aR,8bR,9R,10aR)-

CAS:213037-35-5

Formula:C28H40O8

(1bS,4aR,7aS,7bS,8R)-9a-(butanoyloxy)-4a,7b-dihydroxy-3-(hydroxymethyl)-1,1,6,8-tetramethyl-5-oxo-1a,1b,4,4a,5,7a,7b,8,9,9a-decahydro-1H-cyclopropa[3,4]benzo[1,2-e]azulen-9-yl (2E)-2-methylbut-2-enoate

CAS:37415-55-7

Formula:C28H40O8

PHORBOL 12,13-DIBUTYRATE

CAS:37558-16-0

Formula:C28H40O8

Pregn-5-ene-11,15-dione,3-[(2,6-dideoxy-3- O-methyl-lyxo-hexopyranosyl)oxy]-12,20- epoxy-2-hydroxy-,(2â,3â,12R,14â,17R)-

CAS:6877-39-0

Formula:C28H40O8

2,2,3,3-Naphthalenetetracarboxylic acid, 6-butyl-1,4-dihydro-5,8-dimethyl-, tetraethyl ester

CAS:875430-74-3

Formula:C28H40O8