骨化三醇

ethyl (E)-2-((3S,5R)-3,5-bis((tert-butyldimethylsilyl)oxy)-2-methylenecyclohexylidene)acetate

(Z)-(1S,2S,5R)-2-bromomethyl-3-[bromo(trimethylsilyl)methylene]-5-(tert-butyldimethylsilyloxy)cyclohexanol

(Z)-(2S,3S,5R)-2-bromomethyl-1-[bromo(trimethylsilyl)methylene]-3,5-bis(tert-butyldimethylsilyloxy)cyclohexane

(1S,5R)-1,5-Bis-(tert-butyl-dimethyl-silanyloxy)-3-[(E)-(R)-7,11-dimethyl-11-triethylsilanyloxy-dodec-2-en-(Z)-ylidene]-2-methylene-cyclohexane