1,4-Benzoquinone, 2-(p-ethylphenyl)-3,6-dihydroxy-5-phenyl- 2, 5-Cyclohexadiene-1,4-dione, 2-(4-ethylphenyl)-3, 6-dihydroxy-5-phenyl- 2-(4-Ethylphenyl)-3,6-dihydroxy-5-phenylbenzo-1,4-quinone AIDS-125027 AIDS125027 NSC59064