(S)-1.1-dimethyl-2-(3-oxo-butyl)-cyclohexanone-(3)

[4aR-(4aalpha,6abeta,10aalpha,10bbeta)]-十二氢-4a,7,7,10a-四甲基-3H-萘并[2,1-b]吡喃-3-酮

((4aR)-2t-hydroxy-9t-methoxycarbonyl-1-methyl-7,11-dioxo-(4bt,9at)-decahydro-4ar,1c-oxaethano-fluoren-8at-yl)-acetic acid

1,2-diphenyldiazene

(2-oxo-ethyl)-carbamic acid ethyl ester