InChI=1/C19H21N/c1-12-11-19(2,3)20-18-9-14-8-13-6-4-5-7-15(13)17(14)10-16(12)18/h4-7,9-10,12,20H,8,11H2,1-3H3/t12-/m0/s1 EFAE997F72CE3FA6