• 3-Cyclohexen-1-ol,3,5,5-trimethyl-, 1-acetate
• 22463-33-8
• C11H18 O2
• 245-017-6
• 182.25942
• .

• 3,5-Octadiene,2,2,7,7-tetramethyl-, (3E,5E)-
• 22430-49-5
• C12H22
• 166.3031
• .

• 3H-1,2,3-Triazolo[4,5-c]pyridine-4,6-diamine
• 38359-71-6
• C5H6 N6
• 0
• .

• 3H-1,2,4-Triazole-3-thione,1,2-dihydro-1-phenyl-
• 21434-14-0
• C8H7 N3 S
• 244-386-0
• 177.22628
• .

• 3-Isoquinolinecarboxylicacid, 1,2,3,4-tetrahydro-, ethyl ester
• 41234-43-9
• C12H15 N O2
• 255-273-0
• 205.253
• .

• 37H,39H-Tetranaphtho[2,3-b:2',3'-g:2'',3''-l:2''',3'''-q]porphyrazine
• 23627-89-6
• C48H26 N8
• 0
• .

• 3,7-Diazabicyclo[3.3.1]nonan-9-ol,3-ethyl-7-methyl-, (9-syn)-
• 75305-24-7
• C10H20 N2 O
• 0
• .

• 3(2H)-Pyridazinone,4,5-dihydro-2-(6-methoxy-2-benzothiazolyl)-6-(4-methoxyphenyl)-
• 112445-61-1
• C19H17 N3 O3 S
• 367.4216
• .

• 3-Oxazolidinecarbodithioicacid, 2-methyl-, butyl ester
• 126560-55-2
• C9H17 N O S2
• 219.3674
• .

• 3-Tridecanone
• 1534-26-5
• C13H26 O
• 216-253-7
• 198.34
• .

• 3-Pyridinecarbonitrile,1,2-dihydro-1,4,6-trimethyl-2-oxo-
• 64038-03-5
• C9H10 N2 O
• 162.1885
• .

• 3-Pyridinecarboxylicacid, 3-hexenyl ester, (Z)- (9CI)
• 85098-91-5
• C12H15 N O2
• 285-445-0
• 205.253
• .

• 3-Pyridinecarboxylicacid, 6-nitro-
• 33225-73-9
• C₆H₄N₂O₄
• 168.11
• .

• 3,5,7,9,11-Pentaoxa-4,6,8,10-tetrasila-12-stannahexadecane,12,12-dibutyl-4,4,6,6,8,8,10,10-octaethoxy- (9CI)
• 94109-28-1
• C30H72 O13 Si4 Sn
• 302-467-9
• 871.93688
• .

• 3-Azabicyclo[3.3.1]nonan-9-one,2,4-bis(4-methoxyphenyl)-
• 34025-61-1
• C22H25 N O3
• 0
• .

• 3-Quinolinecarboxylicacid, 4-hydroxy-, 8-methyl-8-azabicyclo[3.2.1]oct-3-yl ester, dihydrochloride,endo- (9CI)
• 147017-64-9
• C18H20 N2 O3 . 2 Cl H
• 385.2849
• .

• 3H-Pyrazol-3-one,1-(4-chlorophenyl)-5-ethyl-1,2-dihydro-2-[3-[4-(4-methyl-2-pyridinyl)-1-piperazinyl]propyl]-,hydrochloride (1:3)
• 104417-00-7
• C24H30 Cl N5 O . 3 Cl H
• .

• 3,6,9,12-Tetraoxatetradecan-1-ol,14-(4-isooctylphenoxy)- (9CI)
• 53061-21-5
• C24H42 O6
• 258-337-6
• 426.58668
• .

• 3-Thiomorpholinone,2-phenyl-
• 70156-57-9
• C₁₀H₁₁NOS
• 193.27
• .

• 3,12-Diaza-6,9-diazoniadispiro[5.2.5.2]hexadecane,3,12-bis[1-oxo-3-(sulfothio)propyl]-, bis(inner salt) (9CI)
• 111854-41-2
• C18H32 N4 O8 S4
• 560.7287
• .

• 3(2H)-Benzofuranone,5-[5-[(4,6-dihydroxy-3-oxo-2(3H)-benzofuranylidene)methyl]-2,3-dihydroxyphenyl]-2-[(3,4-dihydroxyphenyl)methylene]-4,6-dihydroxy-
• 169238-34-0
• C30H18 O12
• .

• 3H-1,2,4-Triazol-3-one,2,4-dihydro-2,4-dimethyl-5-(2-thienyl)-
• 129521-52-4
• C8H9 N3 O S
• 195.2416
• .

• 3,7-Diazabicyclo[3.3.1]nonane,3-butyl-7-[(2,5-dimethylphenyl)sulfonyl]-9,9-dimethyl-,(2R,3R)-2,3-dihydroxybutanedioate (2:3)
• 120465-65-8
• C21 H34 N2 O2 S
• 1207.4042
• .

• 3H-Pyrazol-3-one,2-[2-(2-chloro-6H-indolo[2,3-b]quinoxalin-6-yl)acetyl]-2,4-dihydro-5-methyl-4-[1-(4-methylphenyl)ethylidene]-
• 119457-21-5
• C29H22 Cl N5 O2
• 507.9703
• .

• 3H-Imidazo[4,5-f]quinolin-2-amine,N-hydroxy-3,8-dimethyl-
• 142038-28-6
• C12H12 N4 O
• 0
• .

• 3-Quinolinecarboxylicacid, 5-amino-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-
• 123016-42-2
• C17H19 F N4 O3
• 346.3562
• .

• 3-Thiophenecarboxylicacid, tetrahydro-, 1,1-dioxide
• 4785-67-5
• C5H8 O4 S
• 0
• .

• 3-Piperidinecarboxamide,1,1'-[1,4-phenylenebis(methylene)]bis[N-methyl-N-(phenylmethyl)-, [R-(R*,R*)]-(9CI)
• 145348-16-9
• C36H46 N4 O2
• 0
• .

• 3H,12H-4,1:11,8:18,15-Trinitrilo-1H-pyrrolo[2,1-c][1,11,18,4,7,14,21]oxadithiatetraazacyclotetracosine-5,12,19,22(4H)-tetrone,6,7,10,11,13,14,20,21,24,25,26,26a-dodecahydro-3-methyl-7-(1-methylethyl)-14,21-bis(phenylmethyl)-,(3R,4S,7R,11R,14R,21S,26aS)- (9CI)
• 121209-53-8
• C38H43 N7 O5 S2
• 741.9219
• .

• 3-Penten-2-ol,3-methyl-, (3E)-
• 24652-51-5
• C6H12 O
• 100.1589
• .

• 3-Azetidinol,1-[4-(cyclopropylamino)-6-propyl-1,3,5-triazin-2-yl]-
• 148312-47-4
• C12H19 N5 O
• 249.3122
• .

• 3-Thiopheneacetonitrile,a-cyclohexyl-
• 55504-22-8
• C12H15 N S
• 259-677-8
• 205.3192
• .

• 3-Pyridinecarboxaldehyde,1,2,5,6-tetrahydro-1-[[[(1-phenylethyl)amino]carbonyl]oxy]-, 3-(O-methyloxime),[S-(E)]- (9CI)
• 145163-77-5
• C16H21 N3 O3
• 303.3562
• .

• 3-Azaspiro[5.5]undecane-1,5-dicarbonitrile,2,4-dioxo-
• 4355-15-1
• C12H13 N3 O2
• 224-428-4
• 231.25052
• .

• 3-Buten-2-one,4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-, (-)-
• 31798-12-6
• C13H20 O
• 250-812-6
• 192.2973
• .

• 3-Penten-2-one,4-(carboxyoxy)-, magnesium salt (2:1)
• 97552-51-7
• C6H8 O4 . 1/2 Mg
• 307-103-2
• 310.53976
• .

• 3,12-Tridecadienenitrile
• 134769-33-8
• C₁₃H₂₁N
• 0
• .

• 3,6-Nonadien-1-ol,(6Z)-
• 167820-65-7
• C9H16 O
• 140.22
• .

• 3(2H)-Pyridazinone,2-(2-benzothiazolyl)-4,5-dihydro-6-phenyl-
• 112445-60-0
• C17H13 N3 O S
• 307.3696
• .

• 3H-Pyrazol-3-one,5-cyclohexyl-1,2-dihydro-2-[3-[4-(4-methyl-2-pyridinyl)-1-piperazinyl]propyl]-1-phenyl-,hydrochloride (1:4)
• 104416-86-6
• C28H37 N5 O . 4 Cl H
• .

• 3-Pyridinecarboxylicacid, 5-(aminocarbonyl)-6-[(2-methoxyphenyl)amino]-2-methyl-, sodium salt (1:1)
• 134828-49-2
• C15H15 N3 O4 . Na
• 323.2791
• .

• 3-Thiazolidinepropanoicacid, 2-[(2-methoxyphenoxy)methyl]-b-oxo-
• 161364-63-2
• C14H17 N O5 S
• 311.3535
• .

• 3-Hepten-1-ol
• 10606-47-0
• C7H14 O
• 114.19
• .

• 3-Pyridinecarboxamide,N-ethyl-N-[2-hydroxy-3-(1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-7H-purin-7-yl)propyl]-
• 69517-63-1
• C18H22 N6 O4
• 386.4051
• .

• 3-(Phenylazo)toluene-2,6-diamine monoacetate
• 84434-43-5
• C15H18N4O2
• 282-842-0
• 286.32902
• .

• 3,5-Pyridinedicarboxylicacid, 1,4-dihydro-2,6-dimethyl-, 3,3'-(thiodi-2,1-ethanediyl) 5,5'-dimethylester
• 120218-34-0
• C24H32 N2 O8 S
• 0
• .

• 3-Thiophenecarboxylicacid, 2-amino-4,5-dimethyl-, ethyl ester
• 4815-24-1
• C9H13 N O2 S
• 225-387-5
• 199.27
• .

• 3-Furancarbonylchloride, 2,5-dimethyl-
• 39392-62-6
• C7H7 Cl O2
• 180.16
• .

• 3-Phenanthrenemethanol,a-methyl-
• 7494-58-8
• C16H14 O
• 0
• .

• 3-Thiophenethiol
• 7774-73-4
• C₄H₄S₂
• 231-880-6
• 116.20456
• .