InChI=1/C22H20NO4S/c1-14-7-9-15(10-8-14)22-18-13-16(23-28(3,24)25)11-12-17(18)21-19(26-2)5-4-6-20(21)27-22/h4-13,22H,1-3H3/q-1/t22-/m1/s1 385334E1FF294FA7