InChI=1/C22H21NO4S/c1-23(28(3,24)25)16-12-13-17-18(14-16)22(15-8-5-4-6-9-15)27-20-11-7-10-19(26-2)21(17)20/h4-14,22H,1-3H3/t22-/m0/s1 782989201487A92B