InChI=1/C16H18N2O4/c1-19-4-2-18-3-5-20-16-12(9-18)6-11-7-14-15(22-10-21-14)8-13(11)17-16/h6-8H,2-5,9-10H2,1H3/p+1/fC16H19N2O4/h18H/q+1	6A31BD58867F6872