InChI=1/C20H21N3OS/c1-3-23-16-10-6-5-9-15(16)21-19(23)13-22(2)20(24)18-12-14-8-4-7-11-17(14)25-18/h4-11,18H,3,12-13H2,1-2H3/t18-/m1/s1 90B468B2AFA12A59