InChI=1/C21H23N3O8/c1-2-11-22(12-14-31-20(25)16-3-7-18(8-4-16)23(27)28)13-15-32-21(26)17-5-9-19(10-6-17)24(29)30/h3-10H,2,11-15H2,1H3/p+1/fC21H24N3O8/h22H/q+1 834607FF4F381143