InChI=1/C21H26N2O4S/c24-19(18(28)13-5-2-1-3-6-13)22-15-10-9-12-7-4-8-14-11-16(21(26)27)23(17(12)14)20(15)25/h4,7-8,13,15-16,18,28H,1-3,5-6,9-11H2,(H,22,24)(H,26,27)/p-1/t15-,16-,18-/m0/s1/fC21H25N2O4S/h22H/q-1 EF3B87D6F5A41732