InChI=1/C21H21NO3/c1-13-4-6-16(7-5-13)10-22-11-18-19(24-12-22)9-8-17-14(2)15(3)21(23)25-20(17)18/h4-9H,10-12H2,1-3H3 A70736098A7684B2