• 4H-Pyran-3-carboxylicacid, 6-amino-5-cyano-4-(2,3-dihydro-5-benzofuranyl)-2-methyl-, ethyl ester
• 368870-00-2
• C18H18 N2 O4
• 326.35
• .

• 4-Thiazolemethanamine,2-(3-chlorophenyl)-N-methyl-
• 864068-99-5
• C11H11 Cl N2 S
• 238.73644
• .

• 4H-Pyran-3-carboxylicacid, 6-amino-5-cyano-2-methyl-4-[4-(4-morpholinyl)phenyl]-, ethyl ester
• 368870-01-3
• C20H23 N3 O4
• 369.41
• .

• 4-Piperidinecarboxylicacid, 1-[4-(aminomethyl)-2-pyridinyl]-, ethyl ester
• 912569-46-1
• C14H21 N3 O2
• 263.33544
• .

• 4H-Benzimidazol-4-one,2,5,6,7-tetrahydro-2,2-dimethyl-, oxime, 1-oxide
• 175136-51-3
• C9H13 N3 O2
• 195.22
• .

• 4-Piperidinecarboxaldehyde,1-thieno[3,2-d]pyrimidin-4-yl-
• 916766-91-1
• C₁₂H₁₃N₃OS
• 247.31612
• .

• 4-Pyrimidin-2-ylbenzenesulphonyl chloride
• 912569-53-0
• C₁₀H₇ClN₂O₂S
• 254.69278
• .

• 4-Bromo-3-(hydroxymethyl)-1-methyl-1H-pyrazole
• 915707-65-2
• C₅H₇BrN₂O
• 191.02588
• .

• 4H-Thieno[3,2-c]pyran-4-ethanol,6,7-dihydro-4-methyl-
• 898289-60-6
• C10H14 O2 S
• 198.28196
• .

• 4-Piperidinecarboxylicacid, 1-(4-cyanophenyl)-, ethyl ester
• 352018-90-7
• C15H18 N2 O2
• 258.32
• .

• 4-Piperidinemethanamine,1-thieno[3,2-d]pyrimidin-4-yl-
• 937795-94-3
• C₁₂H₁₆N₄S
• 248.34724
• .

• 4-Thiazolemethanamine,N-methyl-2-(4-morpholinyl)-
• 915707-64-1
• C₉H₁₅N₃OS
• 213.2999
• .

• 4H-Pyrido[1,2-a]pyrimidin-4-one,3-chloro-2-methyl-
• 16867-33-7
• C9H7 Cl N2 O
• 194.62
• .

• 4-Piperidinecarboxylicacid, 1-thieno[3,2-d]pyrimidin-4-yl-, ethyl ester
• 910037-27-3
• C₁₄H₁₇N₃O₂S
• 291.36868
• .

• 4-Pyridinecarboxaldehyde,2-(4-thiomorpholinyl)-
• 898289-24-2
• C10H12 N2 O S
• 208.28008
• .

• 4-Quinolinol, 8-methyl-
• 23432-44-2
• C₁₀H₉NO
• 159.18
• .

• 4-Morpholinecarboxylicacid, hydrazide
• 29053-23-4
• C₅H₁₁N₃O₂
• 145.15974
• .

• 4-Benzothiazolecarboxylicacid, 2-amino-4,5,6,7-tetrahydro-, ethyl ester
• 76263-11-1
• C₁₀H₁₄N₂O₂S
• 226.29536
• .

• 4-Thiazolecarboxylicacid, 2-(4-morpholinyl)-, ethyl ester
• 126533-95-7
• C₁₀H₁₄N₂O₃S
• 242.29476
• .

• 4(3H)-Quinazolinone,3-(methylamino)-
• 60512-86-9
• C9H9 N3 O
• 175.19
• .

• 4-(1,3-dioxolan-2-yl)piperidine
• 423768-60-9
• C13H23NO6
• 289.32
• .

• 4(1H)-Quinazolinone,3-(3-chloro-2-methylphenyl)-2,3-dihydro-2-thioxo-
• 81066-84-4
• C₁₅H₁₁ClN₂OS
• 302.77864
• .

• 4H-3,1-Benzoxazin-4-one,2-(2-thienyl)-
• 26060-06-0
• C₁₂H₇NO₂S
• 229.25
• .

• 4-Quinazolinamine,N-(3-chloro-4-fluorophenyl)-7-methoxy-6-[3-(4-morpholinyl)propoxy]-,hydrochloride (1:2)
• 184475-56-7
• C22H24 Cl F N4 O3 . 2 Cl H
• 519.83
• .

• 4-Carboxynaphthalene-1-boronic acid
• 332398-57-9
• C₁₁H₉BO₄
• 216
• .

• 4-Piperidinecarboxylicacid, 1-(2-chloroacetyl)-, ethyl ester
• 318280-71-6
• C₁₀H₁₆ClNO₃
• 233.69
• .

• 4-Piperidinemethanamine,N-methyl-1-thieno[3,2-d]pyrimidin-4-yl-
• 921939-04-0
• C₁₃H₁₈N₄S
• 262.37382
• .

• 4-Morpholinecarboxylicacid, 2-(aminomethyl)-, 1,1-dimethylethyl ester
• 140645-53-0
• C₁₀H₂₀N₂O₃
• 216.28
• .

• 4H-Thieno[3,2-c]pyran-4-aceticacid, 6,7-dihydro-4-methyl-
• 57153-43-2
• C10H12 O3 S
• 198.2389
• .

• 4-Thiazolecarboxylicacid, 4,5-dihydro-2-(3-pyridinyl)-
• 116247-03-1
• C₉H₈N₂O₂S
• 208.24
• .

• 4-Thiazolecarboxylicacid, 2-(4-morpholinyl)-
• 906353-04-6
• C₈H₁₀N₂O₃S
• 214.2416
• .

• 4-Pyridinecarboxylicacid, 2-phenyl-
• 55240-51-2
• C₁₂H₉NO₂
• 199.21
• .

• 4-Thiazolemethanol,2-(4-morpholinyl)-
• 126533-96-8
• C₈H₁₂N₂O₂S
• 200.25808
• .

• 4-Pyridinemethanamine,N-methyl-2-(4-thiomorpholinyl)-
• 906352-66-7
• C₁₁H₁₇N₃S
• 223.33778
• .

• 4-Oxazolecarboxylicacid, 2,5-dimethyl-, ethyl ester
• 23000-15-9
• C₈H₁₁NO₃
• 169.18
• .

• 4-Piperidinecarboxylicacid, 1-thieno[3,2-d]pyrimidin-4-yl-
• 910037-25-1
• C₁₂H₁₃N₃O₂S
• 263.31552
• .

• 4-Piperazin-1-ylbenzaldehyde
• 27913-98-0
• C₁₁H₁₄N₂O
• 190.24
• .

• 4-Pyridinemethanamine,2-chloro-N-methyl-
• 748187-76-0
• C₇H₉ClN₂
• 156.61276
• .

• 4-Piperidinemethanol,1-thieno[3,2-d]pyrimidin-4-yl-
• 910037-26-2
• C₁₂H₁₅N₃OS
• 249.332
• .

• 4(3H)-Quinazolinone,6-hydroxy-
• 16064-10-1
• C₈H₆N₂O₂
• 162.15
• .

• 4-Thiazolemethanamine,2-(3-chlorophenyl)-, hydrochloride, hydrate (1:1:1)
• 690632-12-3
• C₁₀H₁₂Cl₂N₂OS
• 279.19
• .

• 4-Morpholineethanamine,β-phenyl-
• 31466-44-1
• C₁₂H₁₈N₂O
• 206.28
• .

• 4H-1-Benzopyran-3-carboxaldehyde,6-chloro-7-methyl-4-oxo-
• 64481-12-5
• C11H7 Cl O3
• 222.62
• .

• 4-(Propylaminocarbonyl)benzeneboronic acid
• 171922-46-6
• C₁₀H₁₄BNO₃
• 207.03
• .

• 4-Pyrimidinamine,N-butyl-6-chloro-
• 26423-00-7
• C₈H₁₂ClN₃
• 185.65398
• .

• 4-Pyridinemethanol,2-(4-thiomorpholinyl)-
• 898289-25-3
• C₁₀H₁₄N₂OS
• 224.27948
• .

• 4-Pyridinecarboxylicacid, 2-bromo-, ethyl ester
• 89978-52-9
• C₈H₈BrNO₂
• 230.06
• .

• 4-Thiazolecarboxylicacid, 2-phenyl-, methyl ester
• 7113-02-2
• C₁₁H₉NO₂S
• 219.26
• .

• 4-Bromoisoxazole
• 97925-43-4
• C₃H₂BrNO
• 147.96
• .

• 4-tert-Pentylbenzaldehyde
• 67468-54-6
• C₁₂H₁₆O
• 176.25
• .