1-04-00-00367 (Beilstein Handbook Reference) 19935-86-5 BRN 1778057 CARBAMIC ACID, N-NITROSO-N-PROPYL-, ETHYL ESTER Carbamic acid, nitrosopropyl-, ethyl ester (8CI)(9CI) N-Propyl-N-nitrosourethan N-Propyl-N-nitrosourethane NSC 123131