InChI=1/C19H20N2O4/c1-11-8-9-14(20-13(3)22)15(10-11)21-19(23)18-12(2)24-16-6-4-5-7-17(16)25-18/h4-10,12,18H,1-3H3,(H,20,22)(H,21,23)/t12-,18+/m0/s1/f/h20-21H	9A6FABF3259BA1FE