InChI=1/C14H18N2O3/c17-13-5-4-10(14(18)19)9-16(13)12-6-8-15-7-2-1-3-11(12)15/h4-5,9,11-12H,1-3,6-8H2,(H,18,19)/t11-,12+/m1/s1/f/h15H 4A7CDCA7C565DAA0