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

6(S),19-(N,N'-phthalhydrazido)-3β-acetoxy-20(S)-formyl-9,10-secopregna-5(10),7(E)-diene

(2S,14S)-14-((E)-((1R,3aS,7aR)-7a-methyl-1-((R,Z)-6-methyl-6-((triethylsilyl)oxy)hept-3-en-2-yl)hexahydro-1H-inden-4(2H)-ylidene)methyl)-7,12-dioxo-1,2,3,4,5,7,12,14-octahydrophthalazino[2,3-b]phthalazin-2-yl acetate

6(S),19-(N,N'-phthalhydrazido)-3β-acetoxy-25-hydroxy-9,10-secocholesta-5(10),7(E),22(Z)-triene

Calcifediol