InChI=1/C22H18Cl2O4/c23-18-9-3-1-6-16(18)13-27-20-11-5-8-15(12-21(25)26)22(20)28-14-17-7-2-4-10-19(17)24/h1-11H,12-14H2,(H,25,26)/p-1/fC22H17Cl2O4/q-1 39055A2AC965E542