Synonyms(Z)-(1R,2R,8aR)-1,8a-dimethyl-6-oxo-7-(propan-2-ylidene)-1,2,3,4,6,7,8,8a-octahydronaphthalen-2-yl 2-methylbut-2-enoate Close (Z)-(1R,2R,8aR)-1,8a-dimethyl-6-oxo-7-(propan-2-ylidene)-1,2,3,4,6,7,8,8a-octahydronaphthalen-2-yl 2-methylbut-2-enoate Related products Petasin M.F. M.W. 316.44 CAT# AR-P01529 CAS# 26577-85-5 Isopetasin M.F. M.W. 316.44 CAT# AR-P01530 CAS# 469-26-1