InChI=1/C20H23N3O7S/c1-29-13-19(24)22-12-18(20(25)21-26)23(11-14-5-3-4-6-17(14)22)31(27,28)16-9-7-15(30-2)8-10-16/h3-10,18,26H,11-13H2,1-2H3,(H,21,25)/t18-/m0/s1/f/h21H A2493D6A7E87A47A