InChI=1/C15H18N2O3/c1-19-13-6-12(7-14(20-2)15(13)18)10-17-9-11-4-3-5-16-8-11/h3-8,17-18H,9-10H2,1-2H3/p+1/fC15H19N2O3/h17H/q+1 FB7CC4A6959D75D6