InChI=1S/C26H38N4O8S/c1-3-18(31)9-11-21(32)22(12-8-17-7-5-4-6-16(2)29-17)39-15-20(25(36)28-14-24(34)35)30-23(33)13-10-19(27)26(37)38/h4-8,12,16,19-22,32H,3,9-11,13-15,27H2,1-2H3,(H,28,36)(H,30,33)(H,34,35)(H,37,38)/b12-8-