InChI=1/C15H17N3OS/c1-3-16-14-8-7-11(10-17-14)15(19)18-12-5-4-6-13(9-12)20-2/h4-10H,3H2,1-2H3,(H,16,17)(H,18,19)/f/h16,18H 6F942AA5EA64C593