1 CWA (4r)-4-[5-(difluoromethyl)-1h-imidazol-1-yl]-3,3-dimethyl-3,4-dihydro-1h-2-benzopyran-1-one 1.000 2 CW4 (4r)-4-(5-ethenyl-1h-imidazol-1-yl)-3,3-dimethyl-3,4-dihydro-1h-2-benzopyran-1-one 0.864