InChI=1/C18H17N3O2S/c1-11-7-8-14(13-5-3-9-19-16(11)13)21-17(22)12(2)20-18(23)15-6-4-10-24-15/h3-10,12H,1-2H3,(H,20,23)(H,21,22)/t12-/m0/s1/f/h20-21H 2DDC0D8C662BF37E