• 3-Isoquinolinecarboxylicacid, 1,2,3,4-tetrahydro-, hydrochloride (1:1)
• 41994-51-8
• C10H11 N O2 . Cl H
• 255-610-1
• 177.2
• .

• 3(2H)-Pyridazinone,6-chloro-4-methyl-
• 1834-27-1
• C5H5 Cl N2 O
• 0
• .

• 3-Butenenitrile,2-hydroxy-
• 5809-59-6
• C4H5 N O
• 227-371-3
• 83.10
• .

• 3(2H)-Benzofuranone,2-(4-methoxybenzoyl)-
• 10173-84-9
• C16H12 O4
• 268.2641
• .

• 3-carboxy-3,6-dihydroxy-6-oxo-hexanoate; 2-hydroxyethyl-trimethyl-azanium; 2-trimethylammonioacetate
• 17176-43-1
• C₁₇H₃₄N₂O₁₀
• 241-225-6
• 590.70516
• .

• 3H-Imidazo[4,5-b]pyridine,7-methyl-
• 27582-20-3
• C7H7 N3
• 133.1506
• .

• 3-Thiazolidineaceticacid,5-[3-(carboxymethyl)-5-[2-(3-ethyl-2(3H)-benzothiazolylidene)ethylidene]-4-oxo-2-thiazolidinylidene]-4-oxo-2-thioxo-
• 33006-80-3
• C21H17 N3 O6 S4
• 251-333-5
• 535.63618
• .

• 3H-Indolium,2-[3-[1,3-dihydro-3,3-dimethyl-1-(3-sulfopropyl)-2H-indol-2-ylidene]-1-propen-1-yl]-3,3-dimethyl-1-(3-sulfopropyl)-,iodide, sodium salt (1:1:2)
• 28263-69-6
• C29H37 N2 O6 S2 . I . 2 Na
• .

• 3-(2,2-dibromoethenyl)-2,2-dimethyl-cyclopropane-1-carboxylic acid
• 59952-39-5
• C₈H₁₀Br₂O₂
• 297.9718
• .

• 3-Pyridinecarboxamide,2-methyl-N-[2-(4-morpholinyl)ethyl]-4-(3-nitrophenyl)-6-phenyl-
• 113243-75-7
• C25H26 N4 O4
• 446.4983
• .

• 3,6,10,13,16,19-Hexaazabicyclo[6.6.6]eicosane-1,8-diamine
• 91002-72-1
• C14H34 N8
• 0
• .

• 3,5,9-Trioxa-4-phosphapentacosan-1-aminium,4-hydroxy-N,N,N-trimethyl-10-oxo-7-[(1-oxohexadecyl)oxy]-, inner salt, 4-oxide,(7R)-
• 63-89-8
• C₄₀H₈₀NO₈P
• 200-567-6
• 734.038861
• .

• 3-Hydroxyisobutyric acid
• 2068-83-9
• C₄H₈O₃
• 104.1045
• .

• 3-Furancarboxamide,2,5-dimethyl-N-phenyl-
• 28562-70-1
• C13H13 N O2
• 0
• .

• 3-Cyclohexene-1-acetaldehyde,a,4-dimethyl-
• 29548-14-9
• C10H16 O
• 249-688-6
• 152.23344
• .

• 3H-Pyrazol-3-one,5-chloro-1,2-dihydro-1,2-diphenyl-4-(1-piperidinylmethyl)-
• 37585-42-5
• C21H22 Cl N3 O
• 0
• .

• 3-Cyclohexene-1-carboxaldehyde,1,3,4-trimethyl-
• 40702-26-9
• C10H16 O
• 152.23
• .

• 3-Pyridinebutanoicacid, g-(methylnitrosoamino)-
• 123743-84-0
• C10H13 N3 O3
• 0
• .

• 3,5-Pyridinedicarboxylicacid, 4-(2-fluoro-5-nitrophenyl)-2,6-dimethyl-, 3-methyl ester
• 148040-04-4
• C16H13 F N2 O6
• 348.2826
• .

• 3-Pyrrolidineaceticacid,2-carboxy-4-[(1Z)-1-methyl-2-[(2S,3R,4R)-tetrahydro-3-hydroxy-4-methyl-5-oxo-2-furanyl]ethenyl]-,(2S,3S,4S)-
• 101899-46-1
• C15H21 N O7
• .

• 3-8-Angiotensin II,5-L-isoleucine-
• 24723-55-5
• C40H54 N8 O8
• 774.90556
• .

• 3,4-Thiophenediol,tetrahydro-, 1,1-dioxide
• 33967-48-5
• C4H8 O4 S
• 0
• .

• 3H-Thiazolo[3,4-a]pyrazine-5,8-dione,tetrahydro-6-phenyl-7-(phenylmethyl)-
• 155346-68-2
• C19H18 N2 O2 S
• 338.4234
• .

• 3-Buten-2-ol,4-[3a,4,5,6,7,7a-hexahydro-4,7-methano-1H-inden-5(or 6)-yl]-3-methyl-
• 127153-86-0
• C15H22 O
• 218.33458
• .

• 3H-Indolium, 2-(2-(4-((2-cyanoethyl)ethylamino)-2-methylphenyl)ethenyl)-1,3,3-trimethyl-, sulfate (1:1)
• 74398-70-2
• C₂₅H₃₀N₃O₄S-
• 0
• .

• 3,6,9,12,15,18,21,24,27-Nonaoxanonacosane
• 25330-48-7
• C20H42 O9
• .

• 3,5,9-Trioxa-4-phosphaheptacosan-1-aminium,4-hydroxy-7-methoxy-N,N,N-trimethyl-, inner salt, 4-oxide, (7R)-
• 77286-66-9
• C27H58 N O6 P
• 523.73
• .

• 3-Quinolinecarboxylicacid, 1-ethyl-6,8-difluoro-1,4-dihydro-7-(4-hydroxyphenyl)-4-oxo-
• 103978-08-1
• C18H13 F2 N O4
• 345.2969
• .

• 3H-Indol-3-one,5,7-dichloro-2-(5,7-dichloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-
• 6371-38-6
• C16H6 Cl4 N2 O2
• 228-896-0
• 400.04304
• .

• 3H-Indolium,2-[2-[4-[(4-ethoxyphenyl)methylamino]phenyl]ethenyl]-1,3,3-trimethyl-, chloride(1:1)
• 72894-24-7
• C28H31 N2 O . Cl
• 276-972-7
• 447.06
• .

• 3H-1,2,4-Triazol-3-one,5-(2-fluorophenyl)-2,4-dihydro-4-methyl-
• 117258-19-2
• C9H8 F N3 O
• 193.1777
• .

• 3(4H)-Quinazolinecarboxylicacid, 4-oxo-, ethyl ester
• 16347-81-2
• C11H10 N2 O3
• 218.2087
• .

• 3,6-Methano-8H-1,5,7-trioxacyclopenta[ij]cycloprop[a]azulene-4,8(3H)-dione,hexahydro-2a-hydroxy-9-(1-hydroxy-1-methylethyl)-8b-methyl-,(1aR,2aR,3S,6R,6aS,8aS,8bR,9S)-
• 21416-53-5
• C15H18 O7
• 204-716-6
• 310.3
• .

• 3-heptadecoxypropane-1,2-diol
• 1607-33-6
• C₂₀H₄₂O₃
• 0
• .

• 3H-Pyrazol-3-one,1,2-dihydro-1-methyl-4-(1-methylethyl)-5-[[methyl(1-methyl-2-phenylethyl)amino]methyl]-2-phenyl-
• 22881-35-2
• C24H31 N3 O
• 245-284-9
• 377.52
• .

• 3-Oxa-1,5,6,8-tetraazabicyclo[3.2.2]nonane(8CI,9CI)
• 283-48-7
• C4H10 N4 O
• .

• 3,7-Etheno-3H-azeto[2,3-f]isoindole-4,6(3aH,5H)-dione,2a,6a,7,7a-tetrahydro-
• 25540-41-4
• C11H10 N2 O2
• .

• 3,6,9,12,15-Pentaoxaheneicosan-1-ol
• 86674-95-5
• C16H34 O6
• 322.44
• .

• 3H-Imidazo[4,5-c]pyridine-2-methanol,a-phenyl-
• 2654-15-1
• C13H11 N3 O
• 225.2459
• .

• 3H-1,2,3-Triazolo[4,5-d]pyrimidin-7-amine,3-β-D-ribofuranosyl-
• 10299-44-2
• C₉H₁₂N₆O₄
• 268.2294
• .

• 3-Oxazolidinyloxy,2-ethyl-2-(15-methoxy-15-oxopentadecyl)-4,4-dimethyl-
• 59719-53-8
• C23H44 N O4
• 398.6
• .

• 3H-Phenoxazine-1,9-dicarboxamide,2-amino-N1,N9-bis[2-(3,4-dimethoxyphenyl)ethyl]-4,6-dimethyl-3-oxo-
• 63879-47-0
• C36H38 N4 O8
• 654.7089
• .

• 3-Pyridinemethanol,1,2,5,6-tetrahydro-1-methyl-a,a-diphenyl-
• 102206-67-7
• C19H21 N O
• 279.3761
• .

• 3-Thiophenamine,N-butyl-2-nitro-
• 122777-61-1
• C8H12 N2 O2 S
• 200.2581
• .

• 3(2H)-Pyridazinone,6-[(phenylsulfonyl)oxy]-
• 16771-17-8
• C10H8 N2 O4 S
• 252.2465
• .

• 3-Oxa-2-thia-6,13-diazapentadecan-15-ol,6,13-dimethyl-, methanesulfonate (ester), 2,2-dioxide, dihydrochloride (9CI)
• 10267-75-1
• C14H32 N2 O6 S2 . 2 Cl H
• 461.4656
• .

• 3-Cyclohexene-1-propanenitrile,6-cyano-3,4-dimethyl-
• 101564-47-0
• C12H16 N2
• 188.2688
• .

• 3-Butenylamine,4-[5-chloro-2-(methylthio)phenyl]-N,N-dimethyl-4-phenyl-, hydrochloride(7CI,8CI)
• 1442-82-6
• C19H22 Cl N S . Cl H
• 368.3636
• .

• 3-Pyridazinamine,6-[2-(5-nitro-2-furanyl)ethenyl]-, hydrochloride (1:1)
• 50832-74-1
• C10H8 N4 O3 . Cl H
• 268.68
• .

• 3-Thiazolidinepropanesulfonic acid, 2-(2-(3-ethyl-4-oxo-2-thioxo-5-thiazolidinylidene)ethylidene)-, compd. with N,N-diethylethanamine (1:1)
• 64375-47-9
• C₁₉H₃₃N₃O₄S₄
• 0
• .