InChI=1/C25H31NO6S/c1-18(2)14-26(21-12-13-33(29,30)17-21)24(27)16-32-25(28)22-10-6-7-11-23(22)31-15-20-9-5-4-8-19(20)3/h4-11,18,21H,12-17H2,1-3H3/t21-/m0/s1 3776FF2B2ECF0563