InChI=1/C16H21N3O3/c20-15(19-22)5-3-1-2-4-9-18-16(21)13-7-6-12-8-10-17-14(12)11-13/h6-8,10-11,17,22H,1-5,9H2,(H,18,21)(H,19,20)/f/h18-19H 727FAD1A3597CCEB