InChI=1/C21H23NO2/c1-12-11-21(3,4)22-15-10-9-14-19(18(12)15)13(2)24-17-8-6-7-16(23-5)20(14)17/h6-11,13,22H,1-5H3/t13-/m1/s1 4037E7444733B261