2H-1,4-benzoxazin-6(8aH)-one, 3,4-dihydro-4-(2-hydroxyethyl)-8a-methoxy- 4-(2-hydroxyethyl)-8a-methoxy-3,4-dihydro-2H-1,4-benzoxazin-6(8aH)-one InChI=1/C11H15NO4/c1-15-11-3-2-9(14)8-10(11)12(4-6-13)5-7-16-11/h2-3,8,13H,4-7H2,1H