1,2-Dibenzoylhydrazine 4-09-00-00935 (Beilstein Handbook Reference) 787-84-8 AI3-16232 BRN 0523810 Benzoic acid, 2-benzoylhydrazide Dibenzoylhydrazine EINECS 212-329-9 HYDRAZINE, 1,2-DIBENZOYL- N'-Benzoylbenzohydrazide N,N'-Dibenzoylhydrazine N2-Benzoylbenzoic acid hydrazide NSC 2762