InChI=1/C15H20N2O4/c16-13(18)8-3-5-17(6-4-8)14(19)11-9-1-2-10(7-9)12(11)15(20)21/h1-2,8-12H,3-7H2,(H2,16,18)(H,20,21)/p-1/t9-,10+,11-,12+/m1/s1/fC15H19N2O4/h16H2/q-1 AD7A9475BC187502