InChI=1/C16H16N2O3/c19-16-12(9-18-4-2-1-3-5-18)6-11-7-14-15(21-10-20-14)8-13(11)17-16/h1-2,6-8H,3-5,9-10H2,(H,17,19)/p+1/fC16H17N2O3/h17-18H/q+1 98F42EE184695EE3