InChI=1/C25H18O2/c26-23-15-13-19(14-16-23)11-12-20-17-24(21-7-3-1-4-8-21)27-25(18-20)22-9-5-2-6-10-22/h1-18H/p+1/b12-11+/fC25H19O2/h26H/q+1 D709D4E42A70B1A3