InChI=1/C19H18N2O3/c22-19(17-12-16(17)13-5-2-1-3-6-13)20-10-4-7-14-8-9-15(21(23)24)11-18(14)20/h1-3,5-6,8-9,11,16-17H,4,7,10,12H2/t16-,17-/m1/s1 1A6280F7A093CFC0