• 4-(N'-Hydroxycarbamimidoyl)benzeneboronic acid
• 913835-61-7
• C₇H₉BN₂O₃
• 179.9701
• .

• 4H-1,3-Benzoxazin-4-one,2-(2-chloroethyl)-2,3-dihydro-3-hydroxy-
• 25206-44-4
• C10H10 Cl N O3
• 227.64
• .

• 4-Pyrimidinamine,2-methyl-5-(propylsulfonyl)-
• 175202-09-2
• C8H13 N3 O2 S
• 215.27
• .

• 4-Morpholineacetamide
• 5625-98-9
• C₆H₁₂N₂O₂
• 144.17
• .

• 4-Pyrimidinamine,5-[(1,1-dimethylethyl)sulfonyl]-2-(4-morpholinyl)-
• 175202-11-6
• C12H20 N4 O3 S
• 300.38
• .

• 4-Isoxazolemethanol,3-(2,6-dichlorophenyl)-5-methyl-
• 175204-38-3
• C11H9 Cl2 N O2
• 258.1
• .

• 4-Thiazolemethanamine,N,2-dimethyl-
• 144163-81-5
• C₆H₁₀N₂S
• 142.22
• .

• 4-Isoxazolecarbonylchloride, 3-methyl-5-(4-methyl-1,2,3-thiadiazol-5-yl)-
• 423768-48-3
• C8H6 Cl N3 O2 S
• 243.67
• .

• 4-Isoxazolecarboxylicacid, 3-methyl-5-(4-methyl-1,2,3-thiadiazol-5-yl)-
• 263385-59-7
• C8H7 N3 O3 S
• 225.22
• .

• 4-Quinolinamine,6-methoxy-2-methyl-
• 104217-23-4
• C₁₁H₁₂N₂O
• 188.23
• .

• 4-Isothiazolecarbonitrile,3-chloro-5-(2-chlorophenyl)-
• 28989-25-5
• C10H4 Cl2 N2 S
• 255.12
• .

• 4-Pyridinepropanamine,N,N-dimethyl-
• 64262-19-7
• C10H16 N2
• 164.25
• .

• 4-Thiazolemethanol,2-phenyl-
• 23780-13-4
• C₁₀H₉NOS
• 191.25
• .

• 4-Pyridinecarboxamide,2-methoxy-
• 105612-50-8
• C₇H₈N₂O₂
• 152.15
• .

• 4-Isoxazolecarboxaldehyde,3-methyl-5-phenyl-
• 89479-66-3
• C11H9 N O2
• 187.19
• .

• 4-Thiazolecarbonylchloride, 2-phenyl-
• 36094-04-9
• C₁₀H₆ClNOS
• 223.68
• .

• 4-Isoxazolecarbonylchloride, 3-methyl-5-phenyl-
• 91182-77-3
• C11H8 Cl N O2
• 221.64
• .

• 4-Isoxazolecarbothioamide,3-(2,6-dichlorophenyl)-5-methyl-
• 175204-43-0
• C11H8 Cl2 N2 O S
• 287.17
• .

• 4-Isoxazolemethanol,3-methyl-5-phenyl-
• 113826-87-2
• C11H11 N O2
• 189.21
• .

• 4-Isoxazolecarbonitrile,3-(2,6-dichlorophenyl)-5-methyl-
• 21486-28-2
• C11H6 Cl2 N2 O
• 253.08
• .

• 4-Pyrimidinamine,5-[(1-methylethyl)sulfonyl]-2-(3-pyridinyl)-
• 175202-06-9
• C12H14 N4 O2 S
• 278.33
• .

• 4-Thiazolemethanamine,2-(2-thienyl)-
• 321309-35-7
• C8H8 N2 S2
• 196.29
• .

• 4-Oxazolecarbonylchloride, 5-(4-methoxyphenyl)-
• 465514-15-2
• C11H8 Cl N O3
• 237.64
• .

• 4H-Benzimidazol-4-one,1,5,6,7-tetrahydro-1-hydroxy-2-phenyl-, oxime
• 175136-52-4
• C13H13 N3 O2
• 243.26
• .

• 4-Morpholinepropanenitrile,a-methylene-
• 35961-50-3
• C8H12 N2 O
• 152.19
• .

• 4-Thiazolecarbonylchloride, 2-(2-thienyl)-
• 306934-98-5
• C8H4 Cl N O S2
• 229.71
• .

• 4-benzyl-1-bromoisoquinolin-3-amine
• 13130-81-9
• C₁₆H₁₃BrN₂
• 313.19
• .

• 4-Pyrimidinamine,5-bromo-2-chloro-N,N-dimethyl-
• 57054-86-1
• C₆H₇BrClN₃
• 236.49688
• .

• 4-(2-chloro-6-nitrophenoxy)benzene-1-sulphonyl chloride
• 175135-00-9
• C12H7Cl2NO5S
• 348.16
• .

• 4H-Benzotriazol-4-one,2,5,6,7-tetrahydro-2-phenyl-, oxime, 1-oxide
• 175136-50-2
• C12H12 N4 O2
• 244.25
• .

• 4-Thiazolecarbonylchloride, 2-[(2,6-dichlorophenyl)methyl]-
• 263157-86-4
• C11H6 Cl3 N O S
• 306.6
• .

• 4-Isoxazolecarbonitrile,3,5-dimethyl-
• 31301-46-9
• C₆H₆N₂O
• 122.12
• .

• 4-Thiazolecarbonylchloride, 2-(2,3-dihydro-5-benzofuranyl)-
• 306936-10-7
• C12H8 Cl N O2 S
• 265.72
• .

• 4-Piperidinemethanol,1-(2-pyrimidinyl)-
• 111247-61-1
• C10H15 N3 O
• 193.25
• .

• 4-Isoxazolecarboxamide,3-(2,6-dichlorophenyl)-5-methyl-
• 23858-59-5
• C11H8 Cl2 N2 O2
• 271.1
• .

• 4-Thiazolemethanol,2-(2-thienyl)-
• 54986-94-6
• C8H7 N O S2
• 197.28
• .

• 4H-1,3-Thiazine,5,6-dihydro-2-(methylthio)-
• 58842-19-6
• C5H9 N S2
• 147.26
• .

• 4(1H)-Pyrimidinone,2,3-dihydro-5-(hydroxymethyl)-2-thioxo-
• 93185-31-0
• C₅H₆N₂O₂S
• 158.18
• .

• 4-Bromopiperidine, N-CBZ protected
• 166953-64-6
• C₁₃H₁₆BrNO₂
• 298.18
• .

• 4-Thiazoleethanol,2-methyl-
• 121357-04-8
• C₆H₉NOS
• 143.20676
• .

• 4-Isothiazolecarboxylicacid, 3-chloro-5-(2-chlorophenyl)-
• 306935-52-4
• C10H5 Cl2 N O2 S
• 274.12
• .

• 4-Pyridinecarboxylicacid, 2-(1-piperidinyl)-
• 855153-75-2
• C11H14 N2 O2
• 206.24106
• .

• 4-Oxazolecarboxylicacid, 5-(4-methoxyphenyl)-
• 89205-07-2
• C₁₁H₉NO₄
• 219.19
• .

• 4H-1-Benzopyran-2-carboxylicacid, 6-iodo-4-oxo-, ethyl ester
• 35204-44-5
• C12H9 I O4
• 344.1
• .

• 4-Pyridinecarboxylicacid, 2-(1-piperidinyl)-, methyl ester
• 888070-05-1
• C12H16 N2 O2
• 220.26764
• .

• 4-Thiazolecarboxylicacid, 2-(5-bromo-2-thienyl)-, ethyl ester
• 423768-45-0
• C10H8 Br N O2 S2
• 318.21
• .

• 4-Cinnolinecarboxylicacid, 3-phenyl-
• 10604-21-4
• C15H10 N2 O2
• 250.25
• .

• 4-Isoxazolecarboxaldehyde,5-methyl-3-phenyl-
• 87967-95-1
• C11H9 N O2
• 187.19
• .

• 4-Isoxazolemethanamine,5-methyl-3-phenyl-
• 306935-01-3
• C11H12 N2 O
• 188.23
• .

• 4-Isoxazolecarboxylicacid, 3-(4-methoxyphenyl)-5-methyl-
• 93041-45-3
• C12H11 N O4
• 233.22
• .