2-butenoic acid, 2-methyl-, (3aR,4R,6R,6aR,7R,9aS,9bS)-7-(acetyloxy)-3,3a,4,5,6a,7,9a,9b-octahydro-9a-hydroxy-9-methyl-3-methylene-2-oxospiro[azuleno[4,5-b]furan-6(2H),2'-oxiran]-4-yl ester, (2Z)-
CAS No. 10215-89-1
PULSATILLA 62887-80-3