• 3-Quinolinecarboxylicacid, ethyl ester
• 50741-46-3
• C12H11 N O2
• 201.22
• .

• 3-oxo-4-(1,3,3-trimethylindol-2-ylidene)butanenitrile
• 97214-25-0
• C₁₅H₁₆N₂O
• 0
• .

• 3-Benzofurancarboxylicacid, octahydro-2-oxo-
• 4354-68-1
• C9H12 O4
• 184.1892
• .

• 3-Benzofurancarboxamide,octahydro-7a-methyl-2-oxo-
• 13134-10-6
• C10H15 N O3
• 197.231
• .

• 3-Pyridinecarboxylicacid, 1,4-dihydro-2,6-dimethyl-5-[[methyl(phenylmethoxy)amino]carbonyl]-4-(3-nitrophenyl)-,methyl ester
• 133147-20-3
• C24H25 N3 O6
• 451.4718
• .

• 3-Buten-2-one,4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-, (3Z)-
• 52340-45-1
• C13H20 O
• 257-862-8
• 192.2973
• .

• 3-Thiophenecarboxylicacid, 2-amino-5-phenyl-, hydrazide
• 111849-29-7
• C11H11 N3 O S
• 0
• .

• 3-Pyrrolidinol,5-methyl-
• 94134-94-8
• C5H11 N O
• 310-142-8
• 101.14694
• .

• 3H-Indazol-3-one,1,2-dihydro-1-[(4-methoxyphenyl)methyl]-
• 1029-30-7
• C15H14 N2 O2
• 254.2839
• .

• 3,6,9,12-Tetraoxatetradecan-1-ol,14-(4-nonylphenoxy)-
• 20636-48-0
• C25H44 O6
• 0
• .

• 3-Pyridinol,5-[[(2-hydroxyethyl)thio]methyl]-2,4-dimethyl-
• 6971-67-1
• C10H15 N O2 S
• 213.2966
• .

• 3H-Naphtho[1,2,3-de]quinoline-1-carboxylicacid, 6-[(4-chloro-2-sulfophenyl)amino]-2,7-dihydro-4-methyl-2-oxo-, ethylester, sodium salt (1:1)
• 72379-44-3
• C26H21 Cl N2 O6 S . Na
• 0
• .

• 3-Nonanone,1-(4-chlorophenyl)-1-(ethylthio)-
• 77921-27-8
• C17H25 Cl O S
• 312.8978
• .

• 3H-Indolium,2-[2-(4-hydroxy-2-iodophenyl)ethenyl]-1,3,3-trimethyl-,chloride (1:1)
• 7702-34-3
• C19H19 I N O . Cl
• 404.2642
• .

• 3-Hexanone,4-(4-methoxyphenyl)-
• 7250-73-9
• C13H18 O2
• 206.2808
• .

• 3,7-Diazabicyclo[3.3.1]nonan-9-ol,3,7-dimethyl-9-phenyl-
• 57209-56-0
• C15H22 N2 O
• 246.348
• .

• 3H-Pyrazol-3-ol,4,5-dihydro-3,5,5-trimethyl-, 3-(4-nitrobenzoate) 1-oxide
• 65441-90-9
• C13H15 N3 O5
• 293.2753
• .

• 3-Pyridinecarbonitrile,1-butyl-5-[3-(1-butyl-5-cyano-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)-2-propenylidene]-1,2,5,6-tetrahydro-4-methyl-2,6-dioxo-,compd. with pyridine (1:1) (9CI)
• 69636-64-2
• C25 H28 N4 O4
• 274-060-3
• 527.6217
• .

• 3(4H)-Pyridinone, 2-[(3,3,3-trifluoro-2-oxopropyl)thio]-
• 127183-38-4
• C8H6 F3 N O2S
• 237.1989
• .

• 3-Pyridinecarbonitrile,1,2-dihydro-6-(2-hydroxy-2,2-diphenylethyl)-2-oxo-
• 4487-42-7
• C20H16 N2 O2
• 316.3532
• .

• 3-Fluoranthenecarboxaldehyde
• 28440-63-3
• C17H10 O
• 230.2607
• .

• 3(2H)-Isoxazolone, 5-amino-2-[(4-methylphenyl)sulfonyl]-4-(phenylmethyl)-
• 6940-67-6
• C17H16 N2 O4 S
• 344.3849
• .

• 3-Pentenoicacid, 4-methyl-2,3-diphenyl- (7CI,8CI)
• 5637-29-6
• C18H18 O2
• 314.2961
• .

• 3H-Pyrazol-3-one,2-(6-chloro-2-pyridinyl)-1,2-dihydro-5-methyl-4-(1-methylethyl)-
• 5193-21-5
• C12H14 Cl N3 O
• 301.3437
• .

• 3H-Naphth[2,3-c][1,2]oxathiol-3-one,1,1-dioxide
• 835-55-2
• C11H6 O4 S
• .

• 3-Pyridinecarboxamide,6-amino-4-(2-chlorophenyl)-5-cyano-1,2,3,4-tetrahydro-2-oxo-
• 70987-92-7
• C13H11 Cl N4 O2
• 290.705
• .

• 3,5-Piperidinedicarbonitrile,4,4-dimethyl-2,6-dioxo-1-(phenylmethyl)-
• 64729-45-9
• C16H15 N3 O2
• 281.3092
• .

• 3-Thia-6-azabicyclo[3.1.0]hexane-6-carboxylicacid, ethyl ester, 3,3-dioxide
• 34106-68-8
• C7H11 N O4 S
• 205.2315
• .

• 3-Furancarboxylicacid,4-(4-chlorophenyl)-4,5-dihydro-5,5-dimethyl-2-[[(phenylamino)carbonyl]amino]-,methyl ester
• 21863-91-2
• C21H21 Cl N2 O4
• 400.8554
• .

• 3H-Cyclodec[e][1,3,4]oxadiazin-3-one,2,4a,5,6,7,8,9,10,11,12-decahydro-
• 7506-24-3
• C11H18 N2 O2
• 210.2728
• .

• 3,5-Heptadien-2-one,6-(2-methylcyclohexyl)-, 2-(2,4-dinitrophenyl)hydrazone
• 6586-44-3
• C20H26 N4 O4
• 400.4697
• .

• 3(2H)-Pyridazinone,4-bromo-5-[2-[1-(3-pyridinyl)ethylidene]hydrazinyl]-
• 7403-57-8
• C11H10 Br N5 O
• 308.134
• .

• 3-Quinolinecarboxylicacid, 4-hydroxy-7-[2-(2-naphthalenyloxy)ethoxy]-
• 79807-95-7
• C22H17 N O5
• 375.3741
• .

• 3-Oxabicyclo[3.1.0]hexan-2-one,4-hydroxy-6,6-dimethyl-
• 26771-21-1
• C7H10 O3
• 0
• .

• 3-Pyrrolidinecarboxylicacid, 4,5-dioxo-1-(2-propen-1-yl)-, ethyl ester
• 67044-07-9
• C10H13 N O4
• 211.2145
• .

• 3-Cyclopentene-1-butanal,2,2,3-trimethyl-a-propyl-
• 74981-31-0
• C15H26 O
• 278-045-2
• 222.36634
• .

• 3-Thiophenecarbonitrile,2-[2-[4-[(2-cyanoethyl)ethylamino]phenyl]diazenyl]-5-(2-phenyldiazenyl)-
• 84425-43-4
• C22H19 N7 S
• 282-800-1
• 413.49816
• .

• 3H-Pyrazol-3-one,1,2-dihydro-4-nitro-
• 53666-92-5
• C3H3 N3 O3
• 0
• .

• 3-Furancarboxylicacid, 2-(1-piperidinylmethyl)-, hydrochloride (1:1)
• 436099-78-4
• C11H15 N O3 . Cl H
• 209.24
• .

• 3-Azabicyclo[3.3.1]nonan-9-ol,2,4-diphenyl-
• 56401-13-9
• C20H23 N O
• 293.4027
• .

• 3H-Benz[e]indole-3-acetamide,1-(chloromethyl)-1,2-dihydro-5-hydroxy-N-[2-[4-[[[3-(methylsulfinyl)propyl]amino]carbonyl][2,4'-bithiazol]-2'-yl]ethyl]-a-oxo-, (1S)-
• 188637-86-7
• C28H28 Cl N5 O5 S3
• 646.2004
• .

• 3-Thiophenecarboxylicacid, 4-(diphenylmethyl)-
• 36540-51-9
• C18H14 O2 S
• 0
• .

• 3,3'-Bithiophene,5,5'-dichloro-
• 62226-39-5
• C8H4 Cl2 S2
• 235.1534
• .

• 3-Oxa-9-azatricyclo[3.3.1.02,4]nonane,7-(diphenylmethoxy)-9-methyl-, hydrochloride, (1a,2b,4b,5a,7b)- (9CI)
• 7681-35-8
• C21H23 N O2 . Cl H
• 321.4128
• .

• 3-Pyridinecarboxamide,2,4-diamino-1,6-dihydro-6-oxo-N,1-bis(phenylmethyl)-
• 81975-60-2
• C20H20 N4 O2
• 348.3984
• .

• 3,5-dimethyl-5-pyridin-2-yl-1,3,4-thiadiazolidine-2-thione
• 74752-62-8
• C₉H₁₁N₃S₂
• 0
• .

• 3-Pyridinecarboxylicacid, 5-fluoro-, hydrazide
• 701-40-6
• C6H6 F N3 O
• 0
• .

• 3-Azaspiro[5.5]undecane-3-heptanamine,hydrochloride (1:2)
• 1220-63-9
• C17H34 N2 . 2 Cl H
• 266.4653
• .

• 3-Piperidinecarboxylicacid, 4-oxo-1-phenyl-, ethyl ester, hydrochloride (1:1)
• 1026-47-7
• C14H17 N O3 . Cl H
• 247.2897
• .

• 3-Pyridinol,4-(aminomethyl)-2,5-dimethyl-
• 20485-33-0
• C8H12 N2 O
• .