[Synonyms]
PERCHLOROCYCLOBUTENONE PERCHLOROCYCLOBUT-2-ENONE tetrachlorocyclobut-2-enone PERCHLORO-2-CYCLOBUTEN-1-ONE tetrachloro-2-cyclobutene-1-one 2,3,4,4-Tetrachloro-2-cyclobuten-1-one 2,3,4,4-tetrachlorocyclobut-2-en-1-one 1,2,3,3-Tetrachloro-1-cyclobutene-4-one 2-Cyclobuten-1-one, 2,3,4,4-tetrachloro- |