p. 1261 - 1264
(2007/10/02)(3aR,8aS,9S,9aS)-2,2-Dimethyl-octahydro-[1,3]dioxolo[4,5-f]indolizin-9-ol
(3aR,9R,9aR,9bS)-octahydro-2,2-dimethyl-[1,3]dioxolo[4,5-a]indolizin-9-ol
sodium benzoate
Methanesulfonic acid (3aR,9R,9aS,9bS)-2,2-dimethyl-octahydro-[1,3]dioxolo[4,5-a]indolizin-9-yl ester
Methanesulfonic acid (3aR,8aS,9S,9aR)-2,2-dimethyl-octahydro-[1,3]dioxolo[4,5-f]indolizin-9-yl ester