InChI=1/C20H21N3O2/c1-4-25-18-11-14(8-9-17(18)24)20-21-19-12(2)6-5-7-15(19)16-10-13(3)22-23(16)20/h5-11,20-21,24H,4H2,1-3H3/t20-/m0/s1 040D6425A5C3A60B