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