(E)-2,5-Dichloro-3-(4-chloro-3-methyl-3-buten-1-ynyl)-6-hydroxy-2,5-cyclohexadiene-1,4-dione 131651-40-6 2,5-Cyclohexadiene-1,4-dione, 2,5-dichloro-3-(4-chloro-3-methyl-3-buten-1-ynyl)-6-hydroxy-, (E)- Mycenon