3,4-dichlorocyclobut-3-ene-1,2-dione;3,4-dichlorocyclobut-3-ene-1,2-quinone;2892-63-9;3,4-Dichlorocyclobutenedione;3-Cyclobutene-1,2-dione,3,4-dichloro-;3-Cyclobutene-1,2-dione, 3,4-dichloro-;3-Cyclobuten-1,2-dione, 3,4-dichloro-
3,4-dichlorocyclobut-3-ene-1,2-dione