InChI=1/C20H18N2O5/c1-12-20(24)22-15-11-14(4-6-16(15)27-12)21-19(23)7-3-13-2-5-17-18(10-13)26-9-8-25-17/h2-7,10-12H,8-9H2,1H3,(H,21,23)(H,22,24)/b7-3+/t12-/m1/s1/f/h21-22H	579669DFBB084DEC