100700-27-4 4-(Bis(2-chloroethyl)amino)butyric acid 2,4,6-trinitrobenzenesulfonate 4-(Bis(2-chloroethyl)amino)butyric acid picrylsulfonate BUTYRIC ACID, 4-(BIS(2-CHLOROETHYL)AMINO)-, 2,4,6-TRINITROBENZENESULFONATE