InChI=1/C18H17N3O3S/c1-25-10-7-5-9(6-8-10)13-14-11(3-2-4-12(14)22)19-16-15(13)17(23)21-18(24)20-16/h5-8,13,15H,2-4H2,1H3,(H2,19,20,21,23,24)/t13-,15-/m1/s1/f/h19,21H 2B91D89C6E23B2DC