737-86-0 (FREE BASE) 83706-05-2 (HCL) AIDS-009228 AIDS009228 Isonicotinic acid, [(3-hydroxy-5-hydroxymethyl-2-methyl-4-pyridinyl)methylene]hydrazide NSC368648 (HCL) NSC77674 (FREE BASE) PIH Pyridoxal Isonicotinoyl Hydrazone