Synonyms: Benzaldehyde,2-hydroxy-, [(2-hydroxyphenyl)methylene]hydrazone (9CI);Salicylaldehyde, azine(6CI,7CI,8CI);2,2'-Dihydroxybenzalazine;Bis[2-hydroxybenzaldehyde] hydrazone;N,N'-Bis(salicylidene)hydrazine;NSC 695048;NSC 864;Salazine;Salicylalazine;o-Hydroxybenzaldazine;6-[[2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hydrazinyl]methylidene]cyclohexa-2,4-dien-1-one;