4-03-00-00177 (Beilstein Handbook Reference) 563-41-7 57-56-7 Aminomocovina [Czech] Aminourea BRN 0506319 Carbamic acid, hydrazide Carbamylhydrazine Carbazamide EINECS 200-339-6 HYDRAZINECARBOXAMIDE Hydrazine, carbamoyl- Semicarbazide Semikarbazid [Czech] Urea, amino-