InChI: | InChI=1/C30H26N2O13.4Na/c33-21-7-23-19(5-15(21)9-31(11-25(35)36)12-26(37)38)29(17-3-1-2-4-18(17)30(43)44)20-6-16(22(34)8-24(20)45-23)10-32(13-27(39)40)14-28(41)42;;;;/h1-8,33H,9-14H2,(H,35,36)(H,37,38)(H,39,40)(H,41,42)(H,43,44);;;;/q;4*+1/p-4 |