InChI=1/C16H17N3O/c1-2-20-16(12-11-13-7-3-4-8-13)19-15-10-6-5-9-14(15)17-18-19/h5-7,9-10,16H,2-4,8H2,1H3/t16-/m1/s1 8AC1A09EA211110C