4,4'''-Bis(acetonitrilato)-5',5''-bis(4-(acetonitrilato)phenyl)-1,1':3',1'':3'',1'''-quaterphenyl 250mg

4,4'''-Bis(acetonitrilato)-5',5''-bis(4-(acetonitrilato)phenyl)-1,1':3',1'':3'',1'''-quaterphenyl 250mg