1,3-bis(dibromomethyl)-benzen ;alpha,alpha,alpha’,alpha’-tetrabromo-m-xylen ;Benzene,1,3-bis(dibromomethyl)- ;M-XYLYLENE TETRABROMIDE;A,A,A',A'-TETRABROMO-M-XYLENE;ALPHA,ALPHA,ALPHA',ALPHA'-TETRABROMO-M-XYLENE;ALPHA,ALPHA',BETA,BETA'-TETRABROMO-M-XYLENE;A A A' A'-TETRABROMO-M-XYLENE 97%