InChI=1/C20H21N3O2/c1-12-8-9-15(22-14(3)24)11-17(12)23-18-10-13(2)21-20-16(18)6-5-7-19(20)25-4/h5-11H,1-4H3,(H,21,23)(H,22,24)/p+1/fC20H22N3O2/h21-23H/q+1 C6AE3572116260F4