InChI=1/C22H19NO3/c1-2-23(19-13-7-10-15-8-3-5-11-17(15)19)21(24)20-14-16-9-4-6-12-18(16)22(25)26-20/h3-13,20H,2,14H2,1H3/t20-/m1/s1 5F0899C51A3DDFA4