InChI=1/C21H25NO2/c1-15-13-16-7-5-6-8-19(16)22(15)20(23)14-24-18-11-9-17(10-12-18)21(2,3)4/h5-12,15H,13-14H2,1-4H3/t15-/m1/s1 9880C4C61CA74235