2 3-dichloro-1 4-naphthoquinone July 8, 2019 16 32 64 128 2 3-dichloro-5 8-dihydroxy-1 4-naphthoquinone 2 3-dichloroquinoxaline 2 4-dichloroacetophenone 2 3-dimethyl-1 4-naphthoquinone
