| InChI: | InChI=1/C28H22N4O12S2.4Na/c33-23-9-7-17(11-21(23)27(35)36)29-31-19-5-3-15(25(13-19)45(39,40)41)1-2-16-4-6-20(14-26(16)46(42,43)44)32-30-18-8-10-24(34)22(12-18)28(37)38;;;;/h3-14,33-34H,1-2H2,(H,35,36)(H,37,38)(H,39,40,41)(H,42,43,44);;;;/q;4*+1/p-4 |