1,4-benzenediol; 1,4-dihydroxy-benzeen; 1,4-dihydroxy-benzol; 1,4-dihydroxybenzen; 1,4-dihydroxybenzene; 1,4-diidrobenzene; 4-hydroxyphenol; Alpha-hydroquinone; Arctuvin; Benzohydroquinone; Benzoquinol; Beta-quinol; Black and white bleaching cream; Diak 5; Dihydroxybenzene; Eldopaque; Eldoquin; He 5; Hydrochinon; Hydroquinol; Hydroquinole; Nci-c55834; P-dioxobenzene; P-hydroxyphenol; Para-dihydroxybenzene; Para-dioxybenzene; Para-hydroquinone; Phiaquin; Quinol; Tecquinol; Tenox hq; Tequinol; Usaf ek-356.