57228-55-4 CARBAMIC ACID, (1-((4-(2-(DIMETHYLAMINO)ETHOXY)PHENYL)METHYL)-2-(DIPROPYLAMINO)- CR 613 Carbamic acid, (1-((4-(2-(dimethylamino)ethoxy)phenyl)methyl)-2-(dipropylamino)-2-oxoethyl)-,(p-nitrobenzyl) ester, (S)- O-(2-Dimethylaminoethyl)-N-(p-nitrocarbobenzoxy)-L-tyrosyl-di-n-propylamide