InChI=1/C17H23N3O3/c1-4-18-14-12-7-5-6-8-13(12)23-16(21)15(14)20-17(22)19-10-9-11(2)3/h5-8,11,18H,4,9-10H2,1-3H3,(H2,19,20,22)/f/h19-20H 4B324F98553674F5