25-hydroxy-de-A,B-cholest-8-en-8-yl trifluoromethanesulfonate
(3S,5R)-3,5-bis<((tert-butyldiphenyl)silyl)oxy>-1-ethynyl-2-methylcyclohex-1-ene
de-A,B-25-cholesta-8,25-dien-8-yl trifluromethanesulfonate
(3S,5R)-1-ethynyl-3,5-dihydroxy-2-methylcyclohex-1-ene
(1S,2R,4S,6S)-2,4-diacetoxy-2-ethynyl-1-methyl-7-oxabicyclo<4.1.0>heptane