2-Phenyl-4-(p-nitrobenzoyl)-6-oxo-1,3-thiazine 6H-1,3-Thiazin-6-one, 4-hydroxy-2-phenyl-, p-nitrobenzoate 73672-79-4 BRN 5130300 Benzoic acid, p-nitro-, 6-oxo-2-phenyl-6H-1,3-thiazin-4-yl ester