InChI=1/C19H21NO/c1-2-9-20-10-8-13-4-3-5-16-17-12-15(21)7-6-14(17)11-18(20)19(13)16/h3-7,12,18,21H,2,8-11H2,1H3/t18-/m1/s1 4F9184B4FFC25A01