InChI=1/C20H21NO3/c1-13-11-14(2)17-5-4-10-21(18(17)12-13)19(22)15-6-8-16(9-7-15)20(23)24-3/h6-9,11-12H,4-5,10H2,1-3H3 F778AE3C9C7972DE