InChI=1/C22H20NO3/c24-20(19-7-9-21-22(14-19)26-16-25-21)8-6-17-10-12-23(13-11-17)15-18-4-2-1-3-5-18/h1-5,7,9-14H,6,8,15-16H2/q+1 77DDD1B78C5DD5B7