2-(2-Methyl-1,2,3,3a,4,5,6,6a-octahydaocyclopenta(b)pyrrol-1-yl)ethyl propionate 73200-50-7 Propionic acid, 2-(2-methyl-1,2,3,3a,4,5,6,6a-octahydaocyclopenta(b)pyrrol-1-yl)ethyl ester