InChI=1/C16H15N3OS/c1-3-11-4-5-13-14(16(20)19-10(2)18-13)15(11)21-12-6-8-17-9-7-12/h4-9H,3H2,1-2H3,(H,18,19,20)/f/h19H 3A6EB7CE2FE199A5