for the following products
2,3,5,6-Dichlorodicyanoquinone | 2,3-Dichloro-5,6-dicyano-p-benzoquinone | 2,3-Dichloro-5,6-dicyanobenzoquinone | 4,5-Dichloro-3,6-dioxo-1,4-cyclohexadiene-1,2-dicarbonitrile | DDQ and 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone
