InChI=1/C14H16N2O4/c1-15(11-12-5-4-9-19-12)8-10-20-14-7-3-2-6-13(14)16(17)18/h2-7,9H,8,10-11H2,1H3/p+1/fC14H17N2O4/h15H/q+1 F478176E37DAF2CF