InChI=1/C23H22N2O3/c1-15-4-11-19(25-23(27)21-3-2-12-28-21)13-20(15)17-7-9-18(10-8-17)22(26)24-14-16-5-6-16/h2-4,7-13,16H,5-6,14H2,1H3,(H,24,26)(H,25,27)/f/h24-25H 7CDC38F2C7A668F5