InChI=1/C14H18N2O3/c1-14-6-7-18-12(14)16(3)11-5-4-9(8-10(11)14)19-13(17)15-2/h4-5,8,12H,6-7H2,1-3H3,(H,15,17)/t12-,14+/m1/s1/f/h15H 2E1A45D9C310DF5F