InChI=1/C21H31N3O6S/c1-21(20(26)22-15-8-6-5-7-9-15)14-23(31(4,27)28)13-19(25)24(21)16-10-17(29-2)12-18(11-16)30-3/h10-12,15H,5-9,13-14H2,1-4H3,(H,22,26)/t21-/m1/s1/f/h22H 4D641324C1DC3157