1-(p-Hydroxybenzylidene)thiosemicarbazide 4-08-00-00271 (Beilstein Handbook Reference) 4-Hydroxybenzaldehyde thiosemicarbazone 5339-74-2 AI3-18590 BRN 2097419 Benzaldehyde, p-hydroxy-, thiosemicarbazone EINECS 226-273-8 Hydrazinecarbothioamide, 2-((4-hydroxyphenyl)methylene)- (9CI) NSC 3555 Semicarbazide, 1-(p-hydroxybenzylidene)-3-thio- p-Hydroxybenzaldehyde thiosemicarbazone