1405-19-2 2-Butenoic acid, 2-methyl-, (3aR,4R,5R,9aR,9bS)-2,3,3a,4,5,7,9a,9b-octahydro-4,9a-dihydroxy-6,9-dimethyl-3-methylene-2,7-dioxoazuleno[4,5-b]furan-5-yl ester, (2Z)- AIDS-070718 AIDS070718 Pumilene Pumilin