InChI=1/C18H23N2O4S/c1-14-4-3-5-18(10-14)24-13-17(21)12-19-11-15-6-8-16(9-7-15)20-25(2,22)23/h3-10,17,19,21H,11-13H2,1-2H3/q-1/p+1/t17-/m0/s1/fC18H24N2O4S/h19H/q D46CA7F33E59EB16