130342-80-2 3-(4-Chlorophenyl)tropane-2-carboxylic acid methyl ester 8-Azabicyclo(3.2.1)octane-2-carboxylic acid, 3-(4-chlorophenyl)-8-methyl-, methyl ester, (1R-(exo,exo))- Rti-coc 31 Rti-coc-31