2-Furaldehyde, thiosemicarbazone 5419-96-5 AI3-61592 Furfural thiosemicarbazone Furfuraldehyde thiosemicarbazone Hydrazinecarbothioamide, 2-(2-furanylmethylene)- (9CI) NSC 27474 NSC 9944 Semicarbazide, 4-(furfurylidene)-2-thio-