1-Isopropyl-2-nicotinoylhydrazine 1-Nicotinoyl-2-isopropylhydrazine 3-Pyridinecarboxylic acid, 2-(1-methylethyl)hydrazide (9CI) 3038-67-3 BRN 0474228 HYDRAZINE, 2-ISOPROPYL-1-NICOTINOYL- K 557 K-557 NSC 201407 Nicotinic acid N'-isopropyl hydrazide Nicotinic acid isopropylhydrazide Nicotinic acid, 2-isopropylhydrazide (8CI) Nicotinoyl isopropylhydrazine