2H-1,3-Thiazine-6-carboxylic acid, 3,6-dihydro-4-(4-chlorophenyl)-3-phenyl-2-(phenylimino)- 3,6-Dihydro-4-(4-chlorophenyl)-3-phenyl-2-(phenylimino)-2H-1,3-thiazine-6-carboxylic acid 99822-62-5