InChI=1/C18H21N3O3S/c1-14(17-6-4-5-13-20-17)21(3)18(22)12-9-15-7-10-16(11-8-15)25(23,24)19-2/h4-14,19H,1-3H3/b12-9+/t14-/m1/s1 B811EEDFBE4A0C2A