InChI=1/C26H21NO4S/c1-30-23-13-8-14-24-25(23)21-16-15-19(27-32(28,29)20-11-6-3-7-12-20)17-22(21)26(31-24)18-9-4-2-5-10-18/h2-17,26-27H,1H3/t26-/m0/s1 421D7B2A7CCFCA86