InChI=1/C19H18N2O4/c1-10-5-7-16(23)19-17(10)12-3-2-4-13(12)18(20-19)14-9-11(21(24)25)6-8-15(14)22/h2-3,5-9,12-13,18,20,22-23H,4H2,1H3/t12-,13-,18-/m0/s1 7DFA63D999D68AAF