[2S,2(1R,4S,5R),3S,6R,8S,8(3S),9R]-2-(4-Hydroxy-1,5-dimethyl-6-heptenyl)-3,9-dimethyl-8-(3-methyl-4-pentenyl)-1,7-dioxaspiro[5.5]undecane

(3S,4S,7R)-7-((2S,3S,6R,8S,9R)-3,9-dimethyl-8-((S)-3-methylpent-4-en-1-yl)-1,7-dioxaspiro[5.5]undecan-2-yl)-4-hydroxy-3-methyloctan-2-one

dibenzyl 2-methyl-3-((E)-pent-3-enoyl)maleate

(Z)-(R)-3-Benzyloxycarbonyl-2-methyl-4-triethylsilanyloxy-hex-2-enedioic acid 1-benzyl ester 6-((1R,2R)-1-isopropyl-2-methoxy-3-oxo-propyl) ester

3,4-dibenzyl 1-((3R,4S,5R,8S,9S,12R)-12-((2S,3S,6R,8S,9R)-3,9-dimethyl-8-((S)-3-methylpent-4-en-1-yl)-1,7-dioxaspiro[5.5]undecan-2-yl)-5,9-dihydroxy-4-methoxy-2,8-dimethyl-7-oxotridecan-3-yl) (R,Z)-2-hydroxypent-3-ene-1,3,4-tricarboxylate