102999-09-7 89353-72-0 89353-73-1 N,N-Bis(2-chloroethyl)-3-chloropropionamidine N,N-Bis(2-chloroethyl)-3-chloropropionamidine oxalate trihydrate Propanimidamide, 3-chloro-N,N-bis(2-chloroethyl)-, ethanedioate, trihydrate