InChI=1/C16H21N3O3/c20-14(19-22)8-3-1-2-4-10-18-16(21)13-7-5-6-12-9-11-17-15(12)13/h5-7,9,11,17,22H,1-4,8,10H2,(H,18,21)(H,19,20)/f/h18-19H 30D6987A83B31934