86422-09-5 Butanedioic acid, mono[5-(3,4-dichlorophenyl)-2,3-dihydro-6,7-bis[[[[(1-methylethyl)amino]carbonyl]oxy]methyl]-1H-pyrrolizin-2-yl] ester, (R)-, compd. with N,N-dimethyl-4-pyridinamine (1:1) CHA-221 NSC334347