has role cocaine ammonium ion derivative tropane alkaloid cocaine(1+) InChI=1S/C17H21NO4/c1-18-12-8-9-13(18)15(17(20)21-2)14(10-12)22-16(19)11-6-4-3-5-7-11/h3-7,12-15H,8-10H2,1-2H3/p+1/t12-,13+,14-,15+/m0/s1 304.15433 ZPUCINDJVBIVPJ-LJISPDSOSA-O C17H22NO4 The conjugate base of cocaine arising from protonation of the tertiary amino group; major species at pH 7.3. [H][C@]12CC[C@]([H])([C@H]([C@H](C1)OC(=O)c1ccccc1)C(=O)OC)[NH+]2C +1 304.36090 human metabolite