InChI=1/C22H18NO3/c1-25-18-7-8-19-20(14-18)26-21(22(19)24)13-16-9-11-23(12-10-16)15-17-5-3-2-4-6-17/h2-14H,15H2,1H3/q+1/b21-13- B0DEC9DC7A331E60