InChI=1/C20H22N2O7/c23-10-14-15(24)16(25)17(26)19(29-14)22-20(28)21-18(27)13-8-6-12(7-9-13)11-4-2-1-3-5-11/h1-9,14-17,19,23-26H,10H2,(H2,21,22,27,28)/t14-,15-,16+,17-,19-/m1/s1/f/h21-22H	4527C10923214F93