67173-21-1 2-Butanone, 1-phthalazinylhydrazone 2-Butanone, 1-phthalazinylhydrazone Catalog No.: 1293647 Name: 2-Butanone, 1-phthalazinylhydrazone CAS: 67173-21-1 Formula: C12H14N4 Inquire about this product →