InChI=1/C16H21N3O3/c1-3-19(4-2)10-9-17-15(21)13-14(20)11-7-5-6-8-12(11)18-16(13)22/h5-8H,3-4,9-10H2,1-2H3,(H,17,21)(H2,18,20,22)/f/h17-19H 08FB678E8E2E925F