InChI=1/C16H19N5OS/c1-3-22-13-4-5-14-11(9-13)8-12(10-17)15(21-14)19-6-7-20-16(23)18-2/h4-5,8-9H,3,6-7H2,1-2H3,(H,19,21)(H2,18,20,23)/f/h18-20H 4BE0E4D6A74E83E4