1-Allyl-4-piperidyl cyclopentyl(cis-1-butenyl)glycolate 101932-02-9 Cyclopentaneglycolic acid, alpha-(1-butenyl)-, 1-allyl-4-piperidyl ester, (Z)- alpha-(1-Butenyl)cyclopentaneglycolic acid 1-allyl-4-piperidyl ester