InChI=1/C15H18N2O4/c18-12-3-1-10(11-2-4-14(20)16-15(11)12)13(19)9-17-5-7-21-8-6-17/h1-4,13,18-19H,5-9H2,(H,16,20)/p-1/t13-/m0/s1/fC15H17N2O4/h18h,16H/q-1 DC007AFDBF103DBA