Synonyms: 2,5-Cyclohexadiene-1,4-dione,2,3-dimethoxy-5-methyl-6-(3,7,11,15,19-pentamethyl-2,6,10,14,18-eicosapentaenyl)-,(all-E)-; 2,5-Cyclohexadiene-1,4-dione,2,3-dimethoxy-5-methyl-6-[(2E,6E,10E,14E)-3,7,11,15,19-pentamethyl-2,6,10,14,18-eicosapentaenyl]-(9CI); p-Benzoquinone, 2,3-dimethoxy-5-methyl-6-(3,7,11,15,19-pentamethyl-2,6,10,14,18-eicosapentaenyl)-(6CI); p-Benzoquinone,2,3-dimethoxy-5-methyl-6-(3,7,11,15,19-pentamethyl-2,6,10,14,18-eicosapentaenyl)-,(all-E)- (8CI); CoQ5; Coenzyme Q5; Ubiquinone 25; Ubiquinone 5; Ubiquinone Q5