InChI=1/C21H20N2O5/c1-21(20(27)28-2)16-15(17(22-21)12-8-10-14(24)11-9-12)18(25)23(19(16)26)13-6-4-3-5-7-13/h3-11,15-17,22,24H,1-2H3/t15-,16+,17-,21+/m0/s1	86C6CF7917F0DE0A