4-03-00-00127 (Beilstein Handbook Reference) 761-89-7 ALLOPHANIC ACID, METHYL ESTER BRN 1758683 Carbamic acid, (aminocarbonyl)-, methyl ester (9CI) Carbamic acid, carbamoyl-, methyl ester Carbomethoxyurea Methyl (aminocarbonyl)carbamate Methyl allophanate NSC 48290 USAF EL-70