1-(2-Chloroethyl)-1-nitroso-3-(tetrahydro-2H-thiopyran-4-yl)urea 33022-01-4 BRN 1382266 NSC 103534 Urea, 1-(2-chloroethyl)-1-nitroso-3-(tetrahydro-2H-thiopyran-4-yl)- Urea, N-(2-chloroethyl)-N-nitroso-N'-(tetrahydro-2H-thiopyran-4-yl)- (9CI)