InChI=1/C16H21N3O3/c20-15(19-22)9-3-1-2-6-10-17-16(21)14-11-12-7-4-5-8-13(12)18-14/h4-5,7-8,11,18,22H,1-3,6,9-10H2,(H,17,21)(H,19,20)/f/h17,19H 84858DC8BC31BB71