• 3,5,9-Trioxa-4-phosphapentacosan-1-aminium,4,7-dihydroxy-N,N,N-trimethyl-10-oxo-, inner salt, 4-oxide
• 17364-18-0
• C24H50 N O7 P
• 241-396-7
• 495.6301
• .

• 3-Azaspiro[5.5]undecane-2,4-dione,3-phenyl-
• 1028-49-5
• C16H19 N O2
• 257.3276
• .

• 3(2H)-Benzoxazolepropanoicacid, 2-oxo-
• 13610-59-8
• C10H9 N O4
• 207.18
• .

• 3,5,7-Triselena-1,2,4,6-tetraphosphatricyclo[2.2.1.02,6]heptane
• 1314-86-9
• P4Se3
• 260.78
• .

• 3-Pyrazolidinone,1-phenyl-5-(phenylimino)-
• 17326-40-8
• C15H13 N3 O
• 251.2832
• .

• 3H-Pyrazol-3-one,1,2-dihydro-1,5-dimethyl-2-phenyl-4-(4-quinazolinylamino)-, hydrochloride (1:?)
• 115160-16-2
• C19H17 N5 O . x Cl H
• 367.8321
• .

• 3,7,17-Trioxatetracyclo[12.2.1.16,9.02,4]octadeca-9(18),14,16-triene-12-acetaldehyde,10,13-bis(acetyloxy)-4,15-dimethyl-a-methylene-8-oxo-, (2R,4S,6R,10S,12R,13R)-rel-(+)- (9CI)
• 123374-33-4
• C24H26 O9
• .

• 3-Hexanone,4-[2-(5-ethyltetrahydro-5-hydroxy-6-methyl-2H-pyran-2-yl)-15-hydroxy-2,10,12-trimethyl-1,6,8-trioxadispiro[4.1.5.3]pentadec-13-en-9-yl]-
• 126454-05-5
• C29H48 O7
• 508.6872
• .

• 3-Cyclopentene-1-butanol,b,2,2,3-tetramethyl-d-methylene-
• 104864-90-6
• C14H24 O
• 208.33976
• .

• 3H-Indeno[2,1-c]pyridazin-3-one,2,9-dihydro-
• 100595-19-5
• C11H8 N2 O
• 184.194
• .

• 3-Buten-1-amine,N-methyl-4-(3-pyridinyl)- ,(3E)-,(2E)-2-butenedioate (1:1)
• 183288-99-5
• C14H18N2O4
• 278.3
• .

• 3-Ethyl-2-(2-((3-ethylnaphtho(2,3-d)thiazolin-2-ylidene)methyl)-1-butenyl)naphtho(2,3-d)thiazolium p-toluenesulphonate
• 18420-56-9
• C₃₈H₃₆N₂O₃S₃
• 242-299-2
• 664.89904
• .

• 3-Pyridinemethanol, a-methyl-a-[3-(methylnitrosoamino)propyl]-
• 127171-58-8
• C11H17 N3 O2
• 0
• .

• 3-Phenanthrenecarboxylicacid, 2-hydroxy-
• 117978-17-3
• C15H10 O3
• 238.2381
• .

• 3,8-Methanopentaleno[1,6a-c]pyran-8(1H)-carboxylicacid, octahydro-7a,9a,10-trihydroxy-5,10-dimethyl-1-oxo-,(3S,4aS,5S,7aS,8S,9aR,10S)- (9CI)
• 17548-59-3
• C15H20 O7
• .

• 3-Furancarboxamide,N-[[(4-bromophenyl)amino]thioxomethyl]-5-nitro-
• 117457-81-5
• C12H8 Br N3 O4 S
• 370.1786
• .

• 3-Piperidinecarboxylicacid, 1-methyl-4-oxo-, ethyl ester, hydrochloride (1:1)
• 15637-49-7
• C9H15 N O3 . Cl H
• 185.2203
• .

• 3H-Pyrazol-3-one,2-[2-(9-bromo-6H-indolo[2,3-b]quinoxalin-6-yl)acetyl]-2,4-dihydro-4-[1-(4-methoxyphenyl)ethylidene]-5-methyl-
• 119457-32-8
• C29H22 Br N5 O3
• 568.4207
• .

• 3H-Benz[e]inden-3-one,1,2-dihydro-, O-[2-hydroxy-3-[4-(2-methoxyphenyl)-1-piperazinyl]propyl]oxime,hydrochloride (1:1)
• 157596-41-3
• C27H31 N3 O3 . Cl H
• 482.0143
• .

• 3-Pyridineacetic acid,2-(phenylmethylene)hydrazide
• 19731-08-9
• C14H13 N3 O
• 239.2725
• .

• 3,5-Hexadien-2-one,3-methyl-6-phenyl-
• 19520-38-8
• C₁₃H₁₄O
• 243-123-7
• 186.24966
• .

• 3-Quinolinecarboxylicacid, 6-fluoro-1,4-dihydro-4-oxo-
• 117685-48-0
• C10H6 F N O3
• 207.1579
• .

• 3H-Indolium,1-heptyl-2-[5-(1-heptyl-1,3-dihydro-3,3-dimethyl-2H-indol-2-ylidene)-1,3-pentadien-1-yl]-3,3-dimethyl-,bromide (1:1)
• 125520-85-6
• C39H55 N2 . Br
• 631.7714
• .

• 3,5-Pyridinedicarboxylicacid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-,3-[2-[4-[4-(diphenylmethyl)-1-piperazinyl]phenyl]ethyl] 5-methyl ester,hydrochloride (1:1)
• 116308-56-6
• C41H42 N4 O6 . Cl H
• 723.2563
• .

• 3H-Pyrazol-3-one,2-[3-[4-(4-fluorophenyl)-1-piperazinyl]propyl]-1,2-dihydro-5-methyl-1-(4-nitrophenyl)-,hydrochloride (1:2)
• 104417-25-6
• C23H26 F N5 O3 . 2 Cl H
• .

• 3-Piperidinamine,N-[[2-methoxy-5-(1H-tetrazol-1-yl)phenyl]methyl]-2-phenyl-, (2R,3R)-
• 173143-05-0
• C20H24 N6 O
• .

• 30-Noroleana-12,20(29)-dien-28-oicacid, 3-[(O-6-deoxy-a-L-mannopyranosyl-(1®3)-O-6-deoxy-a-L-mannopyranosyl-(1®2)-O-[b-D-glucopyranosyl-(1®3)]-a-L-arabinopyranosyl)oxy]-, 6-O-b-D-glucopyranosyl-b-D-glucopyranosyl ester, (3b)- (9CI)
• 124078-37-1
• C64H102 O30
• .

• 3-Heptene-2,6-diol,1,1,1,7,7,7-hexafluoro-2,6-bis(trifluoromethyl)-, (3E)-
• 16202-99-6
• C9H6 F12 O2
• 374.123578
• .

• 3H-2-Benzopyran-3-one,1,4-dihydro-6,7-dimethoxy-
• 16135-41-4
• C11H12 O4
• 208.21
• .

• 3-Quinolinecarbonitrile,2-amino-, 1-oxide
• 16026-91-8
• C10H7 N3 O
• 186.1895
• .

• 3,5-Decadienoic acid,(1aR,1bS,4aR,7aS,7bS,8R,9R,9aS)-9-(benzoyloxy)-1,1a,1b,4,4a,5,7a,7b,8,9-decahydro-4a,7b-dihydroxy-3-(hydroxymethyl)-1,1,6,8-tetramethyl-5-oxo-9aH-cyclopropa[3,4]benz[1,2-e]azulen-9a-ylester, (3E,5E)- (9CI)
• 149751-83-7
• C37H46 O8
• .

• 3-Azetidinecarboxylicacid, 1-(1,1-dimethylethyl)-
• 17358-76-8
• C8H15 N O2
• 157.2102
• .

• 3-Furancarboxamide,N-[[[4-(acetylamino)phenyl]amino]thioxomethyl]-5-nitro-
• 117457-84-8
• C14H12 N4 O5 S
• 348.3339
• .

• 3,10-Phenanthrenediol,4b,5,6,7,8,8a-hexahydro-4b,8,8-trimethyl-2-(1-methylethyl)-, (4bS,8aS)-
• 128741-28-6
• C20H28 O2
• .

• 3-Oxabicyclo[3.2.0]heptane-2,4-dione,1,5-dibromo-
• 1124-82-9
• C6H4 Br2 O3
• 0
• .

• 3-Quinolinecarboxamide,N-[2-(dimethylamino)ethyl]-4-(methylamino)-2-phenyl-
• 107879-40-3
• C21H24 N4 O
• 348.4415
• .

• 3H-Pyrimido[4,5,6-kl]acridin-2(7H)-one,3-[3-(dimethylamino)propyl]-10-hydroxy-6-nitro-, hydrobromide (1:1)
• 180266-48-2
• C19H19 N5 O4 . Br H
• .

• 3-Isoquinolinecarboxylicacid, 1,2,3,4-tetrahydro-5-methyl-
• 151637-59-1
• C11H13 N O2
• 191.23
• .

• 3-Pyridinecarboxylicacid, 4-amino-1,2,5,6-tetrahydro-1-(phenylmethyl)-, methyl ester
• 159660-85-2
• C14H18 N2 O2
• 246.31
• .

• 3-Pyridinecarboxylicacid, 1,2-dihydro-4-hydroxy-6-methyl-2-oxo-, ethyl ester
• 10350-10-4
• C9H11 N O4
• 197.19
• .

• 3-Dodecyn-2-one,1,1,1-trifluoro-
• 117710-68-6
• C12H17 F3 O
• 234.258
• .

• 3-Quinolinecarboxylicacid,5-amino-7-(3-amino-1-pyrrolidinyl)-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-,(S)- (9CI)
• 167888-20-2
• C17H19 F N4 O3
• 346.3562
• .

• 3,6-Pyridazinedione,1,2-dihydro-1-phenyl-
• 1698-54-0
• C10H8 N2 O2
• 216-918-1
• 188.18
• .

• 3-Pyridinecarboxylicacid,2-(difluoromethyl)-4-(2-methylpropyl)-5-(2-thiazolyl)-6-(trifluoromethyl)-,methyl ester
• 117718-21-5
• C16H15 F5 N2 O2 S
• 394.3595
• .

• 3-Chrysenamine,N-hydroxy-
• 140366-43-4
• C18H13 N O
• 259.3019
• .

• 3-Pyridinol,2,6-dinitro-
• 15128-91-3
• C₅H₃N₃O₅
• 185.09442
• .

• 3-Pyridinemethanol,4-[1,3-bis[[4-[bis(2-chloroethyl)amino]phenyl]methyl]hexahydro-2-pyrimidinyl]-5-hydroxy-6-methyl-
• 17761-56-7
• C33H43 Cl4 N5 O2
• 683.5388
• .

• 3-Penten-1-yne,3-ethyl-, (3Z)-
• 14272-82-3
• C7H10
• 94.1543
• .

• 3-Pentenoic acid,4-hydroxy-
• 117425-95-3
• C5H8 O3
• 116.11522
• .

• 3-Pyridinemethanol,5-hydroxy-6-methyl-4-(2,3,4,9-tetrahydro-6-methoxy-1H-pyrido[3,4-b]indol-1-yl)-
• 14641-99-7
• C19H21 N3 O3
• 339.3883
• .