InChI=1/C18H21N3O2/c1-3-10-20-15-12-14(13-8-6-5-7-9-13)19-16(15)17(22)21(11-4-2)18(20)23/h5-9,12,19H,3-4,10-11H2,1-2H3 93AC4B29516F612D