InChI=1/C18H21N3O3S/c1-11-10-25-16(19-11)12(2)20-17(22)21-13-5-6-14-15(9-13)24-18(23-14)7-3-4-8-18/h5-6,9-10,12H,3-4,7-8H2,1-2H3,(H2,20,21,22)/t12-/m1/s1/f/h20-21H 8F1BE014EAC932AD