127441-92-3 9-O-(R(-)-2-(4'-Chlorophenyl)-2-hydroxybutyryl)retronecine N-oxide Benzeneacetic acid, 4-chloro-alpha-ethyl-alpha-hydroxy-(2,3,5,7a-tetrahydro-1-hydroxy-(1H)-pyrrolizin-7-yl)methyl ester, N-oxide, (1R-(1-alpha,7(R*),7a-beta))-