2H-1,4-benzoxazin-6(8aH)-one, 3,4-dihydro-8a-hydroxy-7-methyl-4-(phenylmethyl)- 4-benzyl-8a-hydroxy-7-methyl-3,4-dihydro-2H-1,4-benzoxazin-6(8aH)-one InChI=1/C16H17NO3/c1-12-10-16(19)15(9-14(12)18)17(7-8-20-16)11-13-5-3-2-4-6-13/h2-6,9-10,19H,7-8,11H2,1H