Your institution may have access to this item. Find your institution then sign in to continue.
Title
Mass spectral fragmentation patterns of some new 3,7-dichloro-benzo[1,2-b:4,5-b′]dithiophene-2,6-dicarboxylic acid dianilides and 3,5-dichloro-dithieno[3,2-b:2′,3′-d]thiophene-2,6-dicarboxylic acid dianilides. II.