1-(2-Chloroethyl)-3-(2,6-xylyl)urea 13908-40-2 3-(2-Chloroethyl)-1-(2,6-xylyl)urea 4-12-00-02528 (Beilstein Handbook Reference) BRN 2375101 NSC 91736 Urea, 1-(2-chloroethyl)-3-(2,6-xylyl)-