• 5-iodo-3-(2-methylhydrazino)-2H-indol-2-one
• 73818-17-4
• C₉H₈IN₃O
• 301.0838
• .

• 5,8-Hexadecanedione, 7-methyl-
• 217466-14-3
• C₁₇H₃₂O₂
• .

• 5-Hexenenitrile, 2-[[(1,1-dimethylethyl)diphenylsilyl]oxy]-, (2R)-
• 217968-26-8
• C₂₂H₂₇NOSi
• .

• 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,3-bromo-8-oxo-7-[(phenylacetyl)amino]-, diphenylmethyl ester, (6R,7R)-
• 218288-72-3
• C₂₈H₂₃BrN₂O₄S
• .

• 5,8-Tridecadien-7-one, (E,E)-
• 73838-79-6
• C₁₃H₂₂O
• .

• 5-[4-(acridin-9-ylamino)phenyl]pentanoic acid hydrate
• 73840-21-8
• C₂₄H₂₄N₂O₃
• 388.459
• .

• 5,5'-(disulfanediyldimethanediyl)bis[4-(aminomethyl)-2-methylpyridin-3-ol] tetrahydrochloride
• 73840-48-9
• C₁₆H₂₆Cl₄N₄O₂S₂
• 512.3452
• .

• 5,5'-(disulfanediyldimethanediyl)bis[4-(chloromethyl)-2-methylpyridin-3-ol] dihydrochloride
• 73840-49-0
• C₁₆H₂₀Cl₄N₂O₂S₂
• 478.2842
• .

• 5,5'-(disulfanediyldimethanediyl)bis(2,4-dimethylpyridin-3-ol) dihydrochloride
• 73840-50-3
• C₁₆H₂₂Cl₂N₂O₂S₂
• 409.3941
• .

• 5'-Uridylic acid, 2'-deoxy-5-[2-(4-nitrophenyl)ethenyl]-, (E)-
• 73847-59-3
• C₁₇H₁₈N₃O₁₀P
• .

• 5'-Uridylic acid, 2'-deoxy-5-(2-phenylethyl)-
• 73847-61-7
• C₁₇H₂₁N₂O₈P
• .

• 5-amino-9-pentofuranosyl-1,9-dihydro-4H-pyrrolo[2,3-d:5,4-d']dipyrimidine-4-thione
• 73851-43-1
• C₁₃H₁₄N₆O₄S
• 350.3531
• .

• 5-(methylsulfanyl)-9-pentofuranosyl-9H-pyrrolo[2,3-d:5,4-d']dipyrimidin-4-amine
• 73851-44-2
• C₁₄H₁₆N₆O₄S
• 364.3796
• .

• 5-[(4-nitrobenzyl)sulfanyl]-9-pentofuranosyl-9H-pyrrolo[2,3-d:5,4-d']dipyrimidin-4-amine
• 73851-46-4
• C₂₀H₁₉N₇O₆S
• 485.4732
• .

• 5-amino-9-pentofuranosyl-1H-pyrrolo[2,3-d:5,4-d']dipyrimidine-2,4(3H,9H)-dithione
• 73851-49-7
• C₁₃H₁₄N₆O₄S₂
• 382.4181
• .

• 5,7-bis(methylsulfanyl)-9-pentofuranosyl-9H-pyrrolo[2,3-d:5,4-d']dipyrimidin-4-amine
• 73851-51-1
• C₁₅H₁₈N₆O₄S₂
• 410.4712
• .

• 5-amino-9-pentofuranosyl-2-thioxo-1,2,3,9-tetrahydro-4H-pyrrolo[2,3-d:5,4-d']dipyrimidin-4-one
• 73851-52-2
• C₁₃H₁₄N₆O₅S
• 366.3525
• .

• 5-amino-2-(methylsulfanyl)-9-pentofuranosyl-1,9-dihydro-4H-pyrrolo[2,3-d:5,4-d']dipyrimidin-4-one
• 73851-54-4
• C₁₄H₁₆N₆O₅S
• 380.379
• .

• 5-amino-9-pentofuranosyl-1,9-dihydro-4H-pyrrolo[2,3-d:5,4-d']dipyrimidin-4-one
• 73851-56-6
• C₁₃H₁₄N₆O₅
• 334.2875
• .

• 5-amino-9-pentofuranosyl-1H-pyrrolo[2,3-d:5,4-d']dipyrimidine-2,4(3H,9H)-dione
• 73851-57-7
• C₁₃H₁₄N₆O₆
• 350.2869
• .

• 5-[4-(acridin-9-ylamino)phenyl]pentanamide methanesulfonate (2:2) hydrate
• 73855-25-1
• C₅₀H₅₆N₆O₉S₂
• 949.1444
• .

• 5-(1,3-benzodioxol-5-ylmethylidene)-2-(hydroxyamino)-1,3-thiazol-4(5H)-one
• 73855-64-8
• C₁₁H₈N₂O₄S
• 264.2572
• .

• 5'-Uridylic acid, 2'-deoxy-5-(2-phenylethenyl)-, (E)-
• 73856-87-8
• C₁₇H₁₉N₂O₈P
• .

• 5-Thiazolethiol, 4-(4-pyridinyl)-
• 738620-15-0
• C₈H₆N₂S₂
• .

• 5-Hexene-2,3-diol, 3,4-dimethyl-
• 187873-78-5
• C₈H₁₆O₂
• .

• 5-(2-nitrobenzyl)-7,8-dihydro[1,3]dioxolo[4,5-g]isoquinoline
• 73903-40-9
• C₁₇H₁₄N₂O₄
• 310.3041
• .

• 5-Isoxazolecarboxylic acid,3-(3-cyano-4-fluorophenyl)-4,5-dihydro-5-methyl-
• 218301-31-6
• C₁₂H₉FN₂O₃
• .

• 5-Isoxazolecarboxylic acid,3-(3-amino-1,2-benzisoxazol-5-yl)-4,5-dihydro-5-methyl-, ethyl ester
• 218301-33-8
• C₁₄H₁₅N₃O₄
• .

• 5-Isoxazolecarboxylic acid,3-(3-amino-1,2-benzisoxazol-5-yl)-4,5-dihydro-5-methyl-
• 218301-34-9
• C₁₂H₁₁N₃O₄
• .

• 5-Isoxazolecarboxylic acid,5-(azidomethyl)-3-(3-cyano-4-fluorophenyl)-4,5-dihydro-, methyl ester
• 218301-56-5
• C₁₃H₁₀FN₅O₃
• .

• 5-Isoxazolecarboxylic acid,5-(aminomethyl)-3-(3-cyano-4-fluorophenyl)-4,5-dihydro-, methyl ester,monohydrochloride
• 218301-58-7
• C₁₃H₁₂FN₃O₃·ClH
• .

• 5-Isoxazolecarboxylic acid,3-(3-cyano-4-fluorophenyl)-4,5-dihydro-5-[[(methylsulfonyl)amino]methyl]-, methyl ester
• 218301-59-8
• C₁₄H₁₄FN₃O₅S
• .

• 5-Isoxazolecarboxylic acid,3-(3-cyano-4-fluorophenyl)-4,5-dihydro-5-[[(methylsulfonyl)amino]methyl]-
• 218301-60-1
• C₁₃H₁₂FN₃O₅S
• .

• 5-Thiazolecarboxylic acid, 2-(4-cyanophenyl)-4-methyl-
• 187998-77-2
• C₁₂H₈N₂O₂S
• .

• 5'-O-[9(E)-Octadecenoyl]-1-beta-D-arabinofuranosylcytosine
• 188181-42-2
• C₂₇H₄₅N₃O₆
• 507.6762
• .

• 5-Isoxazoleacetic acid,3-[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]-4,5-dihydro-, methyl ester
• 218944-53-7
• C₂₀H₂₉NO₄
• .

• 5-Isoxazoleacetic acid,3-[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]-4,5-dihydro-
• 218944-54-8
• C₁₉H₂₇NO₄
• .

• 5-Isoxazoleethanol,3-[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]-4,5-dihydro-
• 218944-70-8
• C₁₉H₂₉NO₃
• .

• 5-Hexen-3-ol, 1-bromo-, (3R)-
• 188442-80-0
• C₆H₁₁BrO
• .

• 5-Pyrimidinecarboxylic acid,2-[(2,5-dihydro-3-methyl-2,5-dioxo-1H-pyrrol-1-yl)amino]-4-ethyl-, ethylester
• 188936-25-6
• C₁₄H₁₆N₄O₄
• .

• 5-Pyrimidinecarboxylic acid,2-[(2,5-dihydro-3-methyl-2,5-dioxo-1H-pyrrol-1-yl)amino]-4-(2-thienyl)-,ethyl ester
• 188936-27-8
• C₁₆H₁₄N₄O₄S
• .

• 5-Pyrimidinecarboxylic acid,2-[(2,5-dihydro-3,4-dimethyl-2,5-dioxo-1H-pyrrol-1-yl)amino]-4-(trifluoromethyl)-, ethyl ester
• 188936-30-3
• C₁₄H₁₃F₃N₄O₄
• .

• 5-Pyrimidinecarboxylic acid,2-[(2,5-dihydro-3-methyl-2,5-dioxo-1H-pyrrol-1-yl)amino]-4-methyl-,ethyl ester
• 188936-34-7
• C₁₃H₁₄N₄O₄
• .

• 5-Pyrimidinecarboxylic acid,2-[(2,5-dihydro-3-methyl-2,5-dioxo-1H-pyrrol-1-yl)amino]-4-phenyl-,ethyl ester
• 188936-38-1
• C₁₈H₁₆N₄O₄
• .

• 5-Pyrimidinecarboxylic acid,2-[(2,5-dihydro-3-methyl-2,5-dioxo-1H-pyrrol-1-yl)amino]-4-(phenylmethyl)-, ethyl ester
• 188936-40-5
• C₁₉H₁₈N₄O₄
• .

• 5-Pyrimidinecarboxylic acid,4-(5-chloro-2-thienyl)-2-[(2,5-dihydro-3-methyl-2,5-dioxo-1H-pyrrol-1-yl)amino]-, ethyl ester
• 188936-53-0
• C₁₆H₁₃ClN₄O₄S
• .

• 5-Pyrimidinecarboxylic acid,2-[(2,5-dihydro-3-methyl-2,5-dioxo-1H-pyrrol-1-yl)amino]-, ethyl ester
• 188936-57-4
• C₁₂H₁₂N₄O₄
• .

• 5-Pyrimidinecarboxylic acid,2-[(2,5-dihydro-3-methyl-2,5-dioxo-1H-pyrrol-1-yl)methylamino]-4-ethyl-,ethyl ester
• 188936-59-6
• C₁₅H₁₈N₄O₄
• .

• 5-Pyrimidinecarboxylic acid,2-[acetyl(2,5-dihydro-3-methyl-2,5-dioxo-1H-pyrrol-1-yl)amino]-4-propyl-, ethyl ester
• 188936-60-9
• C₁₇H₂₀N₄O₅
• .

• 5-Pyrimidinecarboxylic acid,2-[(2,5-dihydro-3-methyl-2,5-dioxo-1H-pyrrol-1-yl)(phenylmethyl)amino]-4-(trifluoromethyl)-, ethyl ester
• 188936-70-1
• C₂₀H₁₇F₃N₄O₄
• .