InChI=1/C18H19NO2/c1-2-3-7-18-8-6-16(21)15(11-19)17(18)14-5-4-13(20)9-12(14)10-18/h4-5,9,20H,2-3,6-8,10H2,1H3/t18-/m0/s1 E2BCD6497959D3A6