InChI=1/C18H27NO2/c1-13-9-7-8-10-15(13)18(5,6)16(20)19-11-14(2)21-17(3,4)12-19/h7-10,14H,11-12H2,1-6H3/t14-/m1/s1 B2BF4177799D57C0