4-02-00-00085 (Beilstein Handbook Reference) 624-84-0 AI3-61912 BRN 0635759 Carbazaldehyde EINECS 210-867-9 Formal hydrazine Formhydrazid [German] Formhydrazide Formic acid hydrazide Formic acid, hydrazide Formic hydrazide Formohydrazide Formylhydrazid Formylhydrazide Formylhydrazine Hydrazine, formyl- Hydrazinecarboxaldehyde N-FORMYLHYDRAZINE NSC 72391