2-Acetamido-5-fenildiidro-1,3-tiazin-4-one [Italian] 4385-10-8 ACETAMIDE, N-(TETRAHYDRO-4-OXO-5-PHENYL-2H-1,3-THIAZIN-2-YLIDENE)- BRN 1124553 L 3884 N-(Tetrahydro-4-oxo-5-phenyl-2H-1,3-thiazin-2-ylidene)acetamide