• 8-(6,8-dihydroxy-1,8a-dimethyl-4-oxodecahydronaphthalen-2-yl)-6a-hydroxy-3,11-dimethyl-7-oxododecahydro-2H-pyrido[1,2-b]isoquinolinium
• 7237-40-3
• C₂₇H₄₄NO₅
• 462.6414
• .

• 8-chlorohexahydro-1H-3a,7a-methanoinden-2-yl 4-methylbenzenesulfonate
• 7239-51-2
• C₁₇H₂₁ClO₃S
• 340.8648
• .

• 8b-methyl-3-(2,4,6-trimethylphenyl)-3a,8b-dihydro[1]benzothieno[2,3-d]isoxazole 4-oxide
• 7239-93-2
• C₁₉H₁₉NO₂S
• 325.4247
• .

• 8-methyl-6-(phenylsulfonyl)-8-azabicyclo[3.2.1]oct-3-en-2-one
• 7240-96-2
• C₁₄H₁₅NO₃S
• 277.3388
• .

• 8,9-dibromo-2,5-bis[(4-methylphenyl)sulfonyl]-1,2,3,4,5,6-hexahydro-2,5-benzodiazocine
• 7242-44-6
• C₂₄H₂₄Br₂N₂O₄S₂
• 628.3964
• .

• 8-[2-(diethylamino)ethyl]-8-methyl-9-propyl-6,7,8,9-tetrahydro[1,3]dioxolo[4,5-h]isoquinolin-8-ium
• 7248-32-0
• C₂₀H₃₃N₂O₂
• 333.4877
• .

• 8-(dibutylamino)-1-(phenanthren-9-yl)octan-1-ol
• 7251-93-6
• C₃₀H₄₃NO
• 433.6685
• .

• 8-(3,4-dimethoxybenzyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione
• 7255-91-6
• C₁₆H₁₈N₄O₄
• 330.3385
• .

• 8-methoxy-2,4-dimethylquinoline-5,6-dione
• 72820-32-7
• C₁₂H₁₁NO₃
• 217.2206
• .

• 8-(naphthalen-1-yl)tetraphene
• 7355-47-7
• C₂₈H₁₈
• 354.4425
• .

• 8-bromo-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione - 1-(4-methoxyphenyl)methanamine (1:1)
• 7357-07-5
• C₁₅H₁₈BrN₅O₃
• 396.2391
• .

• 8b-benzyl-2-cyclohexyl-3a-hydroxy-1,3a,4,8b-tetrahydropyrrolo[3,4-b]indol-3(2H)-one
• 7399-23-7
• C₂₃H₂₆N₂O₂
• 362.4647
• .

• 8-{4-[2-(diethylamino)ethoxy]benzyl}-7-[2-(diethylamino)ethyl]-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione
• 7401-67-4
• C₂₆H₄₀N₆O₃
• 484.6342
• .

• 8-{[5-(diethylamino)pentan-2-yl]amino}quinolin-6-ol
• 7402-31-5
• C₁₈H₂₇N₃O
• 301.4265
• .

• 8-Heptadecenoic acid, (8Z)-
• 7432-41-9
• C₁₇H₃₂O₂
• .

• 8-nitroquinolin-2(1H)-one
• 7461-12-3
• C₉H₆N₂O₃
• 190.1555
• .

• 8-methyltetrazolo[1,5-a]pyridine-5-carboxylic acid
• 7463-62-9
• C₇H₆N₄O₂
• 178.1481
• .

• 8-amino-3-butyl-1,7-dimethyl-3,7-dihydro-1H-purine-2,6-dione
• 7464-85-9
• C₁₁H₁₇N₅O₂
• 251.285
• .

• 8-bromo-7-butyl-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione
• 7465-14-7
• C₁₁H₁₅BrN₄O₂
• 315.1664
• .

• 8-methyltetrahydro-4H-[1,3]dioxino[5,4-d][1,3]dioxepin-9-yl 4-methylbenzenesulfonate (non-preferred name)
• 7465-83-0
• C₁₅H₂₀O₇S
• 344.3801
• .

• 8-chloro-3-ethyl-1,7-dimethyl-3,7-dihydro-1H-purine-2,6-dione
• 7468-66-8
• C₉H₁₁ClN₄O₂
• 242.6622
• .

• 8-hydroxy-1-(2-phenylethyl)quinolinium
• 7469-46-7
• C₁₇H₁₆NO
• 250.3145
• .

• 8-oxo-9-(3,4,5-trimethoxyphenyl)-5,5a,6,8,8a,9-hexahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-4-yl hydrogen sulfate
• 7469-63-8
• C₂₂H₂₂O₁₁S
• 494.4685
• .

• 8-oxo-9-(3,4,5-trimethoxyphenyl)-5,5a,6,8,8a,9-hexahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-4-yl pyridine-2-carboxylate
• 7469-70-7
• C₂₈H₂₅NO₉
• 519.4994
• .

• 8b-phenylbenzo[3',4']cyclobuta[1',2':3,4]cyclobuta[1,2]benzen-4b(8bH)-yl acetate
• 7470-27-1
• C₂₂H₁₆O₂
• 312.3612
• .

• 8-phenyltetraphene-7,12-dione
• 7471-44-5
• C₂₄H₁₄O₂
• 334.3668
• .

• 8-hydroxy-1-[2-(4-iodophenyl)-2-oxoethyl]quinolinium
• 7478-19-5
• C₁₇H₁₃INO₂
• 390.1945
• .

• 8-hydroxy-1-(2-oxo-2-phenylethyl)quinolinium
• 7478-20-8
• C₁₇H₁₄NO₂
• 264.298
• .

• 8-hydroxy-1-[2-(4-methoxyphenyl)-2-oxoethyl]quinolinium
• 7478-48-0
• C₁₈H₁₆NO₃
• 294.324
• .

• 8-amino-3-azido-5-ethyl-6-phenylphenanthridinium
• 74444-55-6
• C₂₁H₁₈N₅
• 340.4006
• .

• 8-methoxy-4,5-dihydronaphtho[1,2-c]furan-1,3-dione
• 7498-68-2
• C₁₃H₁₀O₄
• 230.2161
• .

• 8-(diethylamino)-3-ethyl-1,7-dimethyl-3,7-dihydro-1H-purine-2,6-dione
• 7499-87-8
• C₁₃H₂₁N₅O₂
• 279.3381
• .

• 8-[ethyl(nitroso)amino]-1,3,7-trimethyl-3,7-dihydro-1H-purine-2,6-dione
• 7501-86-2
• C₁₀H₁₄N₆O₃
• 266.2566
• .

• 8-phenylacenaphtho[1,2-d][1,3]thiazole
• 7504-21-4
• C₁₉H₁₁NS
• 285.3623
• .

• 8-{[2-(diethylamino)ethyl]sulfanyl}-1,3,9-trimethyl-3,9-dihydro-1H-purine-2,6-dione
• 7505-57-9
• C₁₄H₂₃N₅O₂S
• 325.4297
• .

• 8,9-dimethyl-5,6-dihydro-2H-benzo[6,7]cyclohepta[1,2-b]furan-2,3(4H)-dione
• 7508-31-8
• C₁₅H₁₄O₃
• 242.2699
• .

• 8,9-dimethoxy-5,6-dihydro-2H-benzo[6,7]cyclohepta[1,2-b]furan-2,3(4H)-dione
• 7512-61-0
• C₁₅H₁₄O₅
• 274.2687
• .

• 8-Quinolinol, 5-(methoxymethyl)-
• 7545-59-7
• C₁₁H₁₁NO₂
• .

• 8-Quinolinol, 5-[(pentyloxy)methyl]-
• 7545-60-0
• C₁₅H₁₉NO₂
• .

• 8-Quinolinol, 5-[(hexyloxy)methyl]-
• 7545-61-1
• C₁₆H₂₁NO₂
• .

• 8-benzyl-1,3-dimethyl-7-[2-(morpholin-4-yl)ethyl]-3,7-dihydro-1H-purine-2,6-dione
• 7558-14-7
• C₂₀H₂₅N₅O₃
• 383.4442
• .

• 8,8'-[pentane-1,5-diylbis(oxy)]bis(1-ethylquinolinium) diiodide
• 7564-26-3
• C₂₇H₃₂I₂N₂O₂
• 670.3641
• .

• 8-Quinolinol, 5-nitro-, potassium salt
• 75640-18-5
• C₉H₆N₂O₃·K
• .

• 8-(aminomethyl)-1,3,7-trimethyl-3,7-dihydro-1H-purine-2,6-dione hydrochloride
• 53493-92-8
• C₉H₁₄ClN₅O₂
• 259.6928
• .

• 8-butyl-6-methyl-5-oxo-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-8-ium-7-olate
• 53528-94-2
• C₁₀H₁₃N₃O₂S
• 239.2941
• .

• 8-benzyl-3-(4-chlorophenyl)-8-azabicyclo[3.2.1]octan-3-ol ethanedioate (salt)
• 101858-20-2
• C₂₂H₂₄ClNO₅
• 417.8827
• .

• 8-methyl-8-azabicyclo[3.2.1]oct-3-yl (2Z)-2-(4-chlorophenyl)-3-pyridin-4-ylprop-2-enoate dibenzoate
• 101997-33-5
• C₃₆H₃₅ClN₂O₆
• 627.1259
• .

• 8,10-dimethoxy-7-methyl-6,7,7a,8-tetrahydro-5H-[1,3]benzodioxolo[6,5,4-de]benzo[g]quinoline
• 53648-99-0
• C₂₀H₂₁NO₄
• 339.385
• .

• 8-bromo-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione - 4-(diphenylmethoxy)-1-methylpiperidine (1:1)
• 102071-21-6
• C₂₆H₃₀BrN₅O₃
• 540.4521
• .

• 8-chloro-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione - 3-[(diphenylmethoxy)methyl]-1-methylpiperidine (1:1)
• 102071-23-8
• C₂₇H₃₂ClN₅O₃
• 510.0277
• .