1-Butanaminium, 4-(aminocarbonyl)oxy-N,N,N-trimethyl-, chloride 63981-83-9 AMMONIUM, (4-HYDROXYBUTYL)TRIMETHYL-, CHLORIDE, CARBAMATE Ammonium, (4-(carbamoyloxy)butyl)trimethyl-, chloride Carbamic acid, 4-(trimethylammonio)butyl ester, chloride Carbamic acid, 4-dimethylaminobutyl ester, methochloride