InChI=1/C17H19NO4S/c1-10-5-7-12(8-6-10)23(20,21)22-18-13-9-11(2)16(19)15-14(13)17(15,3)4/h5-9,14-15H,1-4H3/b18-13+/t14-,15-/m0/s1 3C8AD325B42E025A