(3S,6R,7S,8S,12Z,15S,16E)-3-((tert-butyldimethylsilyl)oxy)-15-((fluorosulfonothioyl)oxy)-4,4,6,7,8,12,16-heptamethyl-17-(2-methylthiazol-4-yl)-5-oxoheptadeca-12,16-dienoic acid

(3S)-2,2-dimethyl-3-hydroxycyclopentanone

(S)-3-((tert-butyldimethylsilyl)oxy)-2,2-dimethylcyclopentanone

(S)-tert-butyl((3-ethyl-2,2-dimethylcyclopent-3-en-1-yl)oxy)dimethylsilane