1-(2-Chloroethyl)-3-(4-thiochromanyl)urea 27047-62-7 5-18-09-00632 (Beilstein Handbook Reference) BRN 1432224 NSC 110796 Urea, 1-(2-chloroethyl)-3-(3,4-dihydro-2H-1-benzothiopyran-4-yl) Urea, 1-(2-chloroethyl)-3-(thiochroman-4-yl)-