2-Hydroxy-3-naphthoic acid hydrazide 2-Hydroxy-3-naphthoylhydrazine 2-Naphthalenecarboxylic acid, 3-hydroxy-, hydrazide 2-Naphthoic acid, 3-hydroxy-, hydrazide (8CI) 3-Hydroxy naphthoic acid hydrazide 3-Hydroxy-2-naphthohydrazide 3-Hydroxy-2-naphthoylhydrazine 5341-58-2 EINECS 226-282-7 NSC 2117 NSC 49198