2H-1,3-Thiazine-2,4(3H)-dione, dihydro-3-(2-propenyl)-, 2-(1-phthalazinylhydrazone) 3-(2-Propenyl)-2H-1,3-dihydrothiazine-2,4(3H)-dione 2-(1-phthalazinylhydrazone) 77407-66-0