(R)-(Z)-2-[5-(2-hydroxyethylidene)tetrahydropyran-2-yl]propan-2-ol

(6'R,1''RS)-(2Z)-2-[6'-(1''-methyloxiranyl)tetrahydropyran-3'-ylidene]ethanol

(R)-(Z)-2-[2-(2,2,5,5-tetramethyl[1,3]dioxolan-4-yl)ethyl]but-2-ene-1,4-diol

(R)-(Z)-2-(6-isopropenyltetrahydropyran-3-ylidene)ethyl benzoate

(R)-(Z)-2-[6-(1-hydroxy-1-methylethyl)tetrahydropyran-3-ylidene]ethyl benzoate