6.
Name: methyl (2S,3R,4aS,6aS,6aS,6bR,8aS,10S,12aS)-3,10-dihydroxy-2,4a,6a,6b,9,9,12a-heptamethyl-1,3,4,5,6,6a,7,8,8a,10,11,12-dodecahydropicene-2-carboxylate
CAS: 38987-84-7



7.
Name: Maytansine,N2'-deacetyl-22-demethyl-N2'-[(2,- 3-dimethylcyclopropyl)carbonyl]-
CAS: 84123-43-3


