InChI=1/C16H19N3OS/c1-20-14-9-5-6-12(10-14)15-11-21-16(17-15)19-18-13-7-3-2-4-8-13/h5-6,9-11H,2-4,7-8H2,1H3,(H,17,19)/f/h19H 9321ED3FEC2C2734