InChI=1/C22H20N2O3S/c1-27-21(15-8-3-2-4-9-15)22(26)24-18(16-10-5-6-11-19(16)25)14-17(23-24)20-12-7-13-28-20/h2-13,18,21,25H,14H2,1H3/t18-,21-/m0/s1 C7F57684ACC10ADF