. . . "Difenacoum" . . . . "Diphenacoum" . . . . "difenacoum" . . . . . . "Difenacoum" . . . . . "3-[3-([1,1\u2032-Biphenyl]-4-yl)-1,2,3,4-tetrahydronapthalen-1-yl]-4-hydroxy-2H-1-benzopyran-2-one" . . . . .