InChI=1/C15H18N2O3/c1-19-14-5-3-11(7-13(14)18)8-16-9-12-4-6-15(20-2)17-10-12/h3-7,10,16,18H,8-9H2,1-2H3/p+1/fC15H19N2O3/h16H/q+1 7A44343AECA084F0