InChI=1/C19H19NO2/c1-2-9-20-10-8-12-4-3-5-14-17(12)15(20)11-13-6-7-16(21)19(22)18(13)14/h2-7,15,21-22H,1,8-11H2/p+1/t15-/m1/s1/fC19H20NO2/h20H/q+1 C73E3B7227EB945B