InChI=1/C19H23N/c1-15-12-16(2)19(14-20(3)4)18(13-15)11-10-17-8-6-5-7-9-17/h5-13H,14H2,1-4H3/p+1/b11-10+/fC19H24N/h20H/q+1 A181FFCEA4536F0A