InChI=1S/C31H37N3O13/c1-5-15(14(4)29(42)43)18(32)10-19-12(2)16(6-8-22(35)36)20(33-19)11-21-17(13(3)28(41)34-21)7-9-23(37)46-31-26(40)24(38)25(39)27(47-31)30(44)45/h5,10-11,24-27,31,33,38-40H,1,6-9,32H2,2-4H3,(H,34,41)(H,35,36)(H,42,43)(H,44,45)/b15-14?,18-10+,21-11+