1-(2-Fluoroethyl)-1-nitroso-3-(thiochroman-4-yl)urea 33024-46-3 5-18-09-00632 (Beilstein Handbook Reference) BRN 1397049 NSC 121249 Urea, 1-(2-fluoroethyl)-1-nitroso-3-(thiochroman-4-yl)- Urea, 3-(3,4-dihydro-2H-1-benzothiopyran-4-yl)-1-(2-fluoroethyl)-1-nitroso- Urea, 3-(3,4-dihydro-2H-1-benzothiopyran-4-yl)-1-(2-fluoroethyl)-1-nitroso- (8CI)