InChI=1/C18H17N3O3S/c1-25(23,24)15-9-7-14(8-10-15)18-20-16(11-17(22)21-18)19-12-13-5-3-2-4-6-13/h2-11H,12H2,1H3,(H2,19,20,21,22)/f/h19,21H 67F547A3B06B0E50