Octanoylprimaquine

Octapeptin A(sub 1), 1-(D-2, 4-diaminobutanoic acid)-4-D-phenylalanine-, hydrochloride, hydrate (1:5:4)

Octapeptin A(sub 1), 4-D-phenylalanine-, hydrochloride, hydrate (1:4:6)

Octapeptin antibiotics

Octapeptin C1

Octapeptin D, trihydrochloride, hydrate

Octaphenylcyclotetrasilane

Octapinol

Octaplas

Octaplex

Octapotassium (ethane-1, 2-diylbis(nitrilobis(methylene)))tetrakisphosphonate

Octapotassium (hexane-1, 6- diylbis(nitrilobis(methylene)))tetrakisphosphonate

Octapotassium hexahydrogen (((phosphonatomethyl)imino)bis(ethylene((phosphonatomethyl)imino)ethylenenitrilobis(methylene)))tetrakisphosphonate

Octapotassium octahydrogen (ethane-1, 2-diylbis(((phosphonatomethyl)imino)ethane-2, 1-diyl((phosphonatomethyl)imino)ethane-2, 1-diylnitrilobis(methylene)))tetrakisphosphonate

Octapotassium tetrahydrogen (ethane-1, 2-diylbis(((phosphonatomethyl)imino)ethane-2, 1-diylnitrilobis(methylene)))tetrakisphosphonate

Octasiloxane, 1, 1, 1, 3, 3, 5, 7, 7, 9, 11, 11, 13, 15, 15, 15-pentadecamethyl-5, 9, 13-triphenyl-

Octasodium (ethylenebis(nitrilobis(methylene))tetrakisphosphonate)

Octasodium (hexane-1, 6-diylbis(nitrilobis(methylene)))tetrakisphosphonate

Octasodium 2, 2'-(vinylenebis((3-sulphonato-4, 1-phenylene)imino(6-(methyl(2-sulphonatoethyl)amino)-1, 3, 5-triazine-4, 2-diyl)imino))bis(benzene-1, 4-disulphonate)

Octasodium 2-(6-(4-chloro-6-(3-(N-methyl-N-(4-chloro-6-(3, 5-disulfonato-2-naphthylazo)-1-hydroxy-6-naphthylamino)-1, 3, 5-triazin-2-yl)aminomethyl)phenylamino)-1, 3, 5-triazin-2-ylamino)-3, 5-disulfonato-1-hydroxy-2-naphthylazo)naphthalene-1, 5-disulfonate