6-deoxodolichosterone

(2S,3R,4R,5S)-4-(methoxymethoxy)-5,6-dimethyl-2-((1R,3aS,3bS,5aS,6aS,9aR,10aR,10bS,12aS)-8,8,10a,12a-tetramethylhexadecahydrospiro[cyclopenta[7,8]phenanthro[2,3-d][1,3]dioxole-5,2'-[1,3]dioxolan]-1-yl)heptan-3-yl acetate

lithium,3-methylbut-1-yne

三甲基铝

(2S,Z)-6-methyl-2-((1R,3aS,3bS,5aS,6aS,9aR,10aR,10bS,12aS)-8,8,10a,12a-tetramethylhexadecahydrospiro[cyclopenta[7,8]phenanthro[2,3-d][1,3]dioxole-5,2'-[1,3]dioxolan]-1-yl)hept-4-en-3-ol