InChI=1/C21H23NO/c1-3-5-14(2)20-18-7-4-6-16-10-13-19(22(16)18)21(20)15-8-11-17(23)12-9-15/h4,6-14,18,20,23H,3,5H2,1-2H3/t14-,18-,20-/m0/s1 8DE926B8181F129A