InChI=1/C21H22N/c1-14(2)21-18-10-9-15-7-5-6-8-17(15)19(18)11-16-12-22(3,4)13-20(16)21/h5-11H,1,12-13H2,2-4H3/q+1 E19C5E09D078BD0A