(S)-(2,3-dimethylbutyl)(phenyl)sulfane

(2S)-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-yn-3-ol