disodium 29-benzyl-21-ethylidene-27-hydroxy-15-isobutyrylamino-34-isopropyl-31,37-dimethyl-10,16,19,22,30,32,35,38-octaoxo-36-oxa-9,11,17,20,23,28,31,33-octaazatetracyclo(16.13.6.1(24,28).0(3,8))octatriconta-3,5,7-trien-5,6-diyldisulfate