6(S),19-(N,N'-phthalhydrazido)-3,25-dihydroxy-9,10-secocholesta-5(10),7(E)-diene

3β-((triethylsilyl)oxy)-20(S)-(((p-tolylsulfonyl)oxy)-methyl)-9,10-secopregna-5(E),7(E),10(19)-triene

Toluene-4-sulfonic acid (S)-2-{(1R,3aS,7aR)-4-[1-(2,2-dioxo-6-triethylsilanyloxy-2,3,4,5,6,7-hexahydro-1H-2λ6-benzo[c]thiophen-1-yl)-meth-(E)-ylidene]-7a-methyl-octahydro-inden-1-yl}-propyl ester

麦角固醇

3β-tert-Butyldimethylsilyloxy-22-hydroxy-23,24-bisnorchola-5,7-diene