InChI: | InChI=1/C31H21N5O11S.4Na/c32-17-4-1-16-11-26(48(45,46)47)27(28(38)19(16)12-17)36-35-24-7-3-15(10-21(24)30(41)42)14-2-6-23(20(9-14)29(39)40)34-33-18-5-8-25(37)22(13-18)31(43)44;;;;/h1-13,37-38H,32H2,(H,39,40)(H,41,42)(H,43,44)(H,45,46,47);;;;/q;4*+1/p-4 |