InChI=1/C20H20N2O3S/c1-12-10-21-18-16-9-15(6-7-17(16)26-19(18)20(23)22-12)25-11-13-4-3-5-14(8-13)24-2/h3-9,12,21H,10-11H2,1-2H3,(H,22,23)/t12-/m1/s1/f/h22H AA155AF502E78037