InChI=1/C21H19NO3/c1-3-24-20-10-6-8-17(21(20)25-15(2)23)12-14-18-13-11-16-7-4-5-9-19(16)22-18/h4-14H,3H2,1-2H3/b14-12+ E075D9E2D2869AD2