InChI: | InChI=1/C28H22N4O12S2.4Na/c1-13-7-23(33)19(27(35)36)11-21(13)31-29-15-3-5-17(25(9-15)45(39,40)41)18-6-4-16(10-26(18)46(42,43)44)30-32-22-12-20(28(37)38)24(34)8-14(22)2;;;;/h3-12,33-34H,1-2H3,(H,35,36)(H,37,38)(H,39,40,41)(H,42,43,44);;;;/q;4*+1/p-4 |