2H,6H-Pyrido(2,1-b)(1,3)oxazin-6-one, 3,4,7,8,9,9a-hexahydro-9a-phenyl- 3,4,7,8,9,9a-Hexahydro-9a-phenyl-2H,6H-pyrido(2,1-b)(1,3)oxazin-6-one 7088-10-0 BRN 1217439