InChI=1/C21H25NO4S/c1-15(17-10-6-3-7-11-17)18(14-27)20(23)22-19(21(24)25)13-26-12-16-8-4-2-5-9-16/h2-11,15,18-19,27H,12-14H2,1H3,(H,22,23)(H,24,25)/p-1/t15-,18-,19+/m0/s1/fC21H24NO4S/h22H/q-1 51CA882982D6BC47