InChI=1/C21H19N3O2S/c1-21(19-5-4-10-27-19)16-11-14(17-9-7-15(12-22)23(17)2)6-8-18(16)24(3)20(25)13-26-21/h4-11H,13H2,1-3H3/t21-/m0/s1 03D4D5B2BA48E1E5