InChI=1/C15H18N2O3/c1-17(2)9-5-8-16-15(19)14-10-12(18)11-6-3-4-7-13(11)20-14/h3-4,6-7,10H,5,8-9H2,1-2H3,(H,16,19)/p+1/fC15H19N2O3/h16-17H/q+1 CAAC758F29AF2FB7