• 4H-Imidazol-4-one,3-[2-(acetyloxy)ethyl]-5-[(3,4-diethoxyphenyl)methylene]-3,5-dihydro-2-(2-methylphenyl)-
• 640249-93-0
• C25H28 N2 O5
• 0
• .

• 4-Pyrimidinamine,5-methoxy-
• 695-86-3
• C5H7 N3 O
• 125.12858
• .

• 4-Pyrimidinamine,2-methyl-N-2-propen-1-yl-
• 6381-00-6
• C8H11 N3
• 149.19304
• .

• 4,7-Methano-1H-isoindole,octahydro-, (3aa,4b,7b,7aa)- (9CI)
• 16160-75-1
• C9H15 N
• 137.22
• .

• 4H-Imidazol-4-one,5-[(3,4-diethoxyphenyl)methylene]-3,5-dihydro-2-(2-methylphenyl)-3-(4-methylphenyl)-
• 640250-03-9
• C28H28 N2 O3
• 0
• .

• 4-Piperidinol,4-[(dimethylamino)methyl]-
• 695145-47-2
• C8H18 N2 O
• 158.24132
• .

• 4-Oxazolidinecarboxamide,3-(2-chloroacetyl)-, (4S)-
• 637018-77-0
• C6H9 Cl N2 O3
• 192.60026
• .

• 4-Oxazolecarboxaldehyde,5-azido-2-(1-methylethyl)-
• 153683-99-9
• C7H8 N4 O2
• 0
• .

• 4-Oxazolecarbonylchloride, 2-(1,1-dimethylethyl)-
• 153683-97-7
• C8H10 Cl N O2
• 187.6235
• .

• 4-Oxazolecarboxylicacid, 4,5-dihydro-5-oxo-2,4-diphenyl-, ethyl ester
• 153397-37-6
• C18H15 N O4
• 0
• .

• 4H-1,3-Dioxolo[4,5-c]pyrrole,4-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-3a,6a-dihydro-2,2-dimethyl-,(3aR,4R,6aS)-
• 153172-33-9
• C14H27 N O3 Si
• 0
• .

• 4-Pyridinecarboxylicacid, 2-(chlorocarbonyl)-, methyl ester
• 153559-43-4
• C8H6 Cl N O3
• 0
• .

• 4H-1-Benzopyran-4-one,8-amino-5,7-dihydroxy-2-phenyl-
• 152969-73-8
• C15H11 N O4
• 0
• .

• 4-Morpholinemethanimine,a-methyl-
• 153558-51-1
• C6H12 N2 O
• 128.17228
• .

• 4H-1,3-Dioxolo[4,5-c]pyrrole,4-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]tetrahydro-2,2-dimethyl-,(3aR,4R,6aS)-
• 153172-31-7
• C14H29 N O3 Si
• 0
• .

• 4-Morpholinamine,3,5-dimethyl-, trans- (9CI)
• 152813-25-7
• C6H14 N2 O
• 0
• .

• 4H-1,3-Thiazine,4-ethoxy-5,6-dihydro-4-methyl-2-(methylthio)-
• 152560-98-0
• C8H15 N O S2
• 0
• .

• 4(8H)-Pteridinone,2-amino-7,8-dimethyl-
• 152630-94-9
• C8H9 N5 O
• 0
• .

• 4-Pyrimidinecarboxylicacid, 6-amino-2-formyl-, ethyl ester
• 153093-62-0
• C8H9 N3 O3
• 0
• .

• 4-Oxazolidinecarboxylicacid, 5-methyl-2-oxo-, methyl ester, (4S,5R)-
• 153547-44-5
• C6H9 N O4
• 0
• .

• 4H-1,3-Thiazine,4-ethoxy-5,6-dihydro-6-methyl-2-(methylthio)-, (4R,6R)-rel-
• 152560-97-9
• C8H15 N O S2
• 0
• .

• 4H-Pyrazolo[4,3-c][1,8]naphthyridin-4-one,1,5-dihydro-
• 153457-27-3
• C9H6 N4 O
• 0
• .

• 4-Quinolinol,3,7-dichloro-
• 152210-26-9
• C9H5 Cl2 N O
• 0
• .

• 4H-1-Benzopyran-4-one,2-(4-hydrazinylphenyl)-
• 153450-08-9
• C15H12 N2 O2
• 0
• .

• 4H-1-Benzopyran-4-one,3-methyl-8-(methylamino)-2-phenyl-
• 152737-80-9
• C17H15 N O2
• 0
• .

• 4-Pyridinamine,N-(cyclopentylmethyl)-
• 152434-44-1
• C11H16 N2
• 249.18002
• .

• 4,7-Methano-1H-isoindole,octahydro-3a-methyl-, [3aS-(3aa,4b,7b,7aa)]- (9CI)
• 153152-83-1
• C10H17 N
• 0
• .

• 4H-Pyrazolo[4,3-c][1,8]naphthyridin-4-one,1,5-dihydro-1-phenyl-
• 153457-28-4
• C15H10 N4 O
• 0
• .

• 4H-1-Benzopyran-4-one,2-(4-aminophenyl)-3-bromo-
• 153450-04-5
• C15H10 Br N O2
• 0
• .

• 4-Thiazolemethanol,2-ethynyl-
• 153028-00-3
• C6H5 N O S
• 139.175
• .

• 4-Pentenoic acid,4-bromo-2-[[(1,1-dimethylethoxy)carbonyl]amino]-, (2S)-
• 151215-34-8
• C10H16 Br N O4
• 294.14
• .

• 4-Imidazolidinecarboxamide,4-hydroxy-2,5-dioxo-, (R)- (9CI)
• 151359-26-1
• C4H5 N3 O4
• 0
• .

• 4-Cyclopentene-1,3-dione,2-(2,2,2-trifluoroacetyl)-
• 151582-20-6
• C7H3 F3 O3
• 192.0921296
• .

• 4,7-Ethano-3H-[1,2]dioxino[4,5-c]pyrazole,3a,4,7,7a-tetrahydro-, (3aa,4a,7a,7aa)- (9CI)
• 151159-57-8
• C7H10 N2 O2
• 0
• .

• 4-Imidazolidinecarboxamide,4-hydroxy-2,5-dioxo-, (S)- (9CI)
• 151359-23-8
• C4H5 N3 O4
• 0
• .

• 4-Oxazolecarboxylicacid, 2-(1-methylethyl)-
• 153180-21-3
• C7H9 N O3
• 0
• .

• 4-Thiazolemethanol, a-ethynyl-2-fluoro-
• 153027-99-7
• C6H4 F N O S
• 0
• .

• 4H-Imidazol-4-one,3-(4-chlorophenyl)-3,5-dihydro-2-[(2,3,4,6-tetra-O-acetyl-b-D-glucopyranosyl)thio]-5-(2-thienylmethylene)-
• 151731-18-9
• C28H27 Cl N2 O10 S2
• 0
• .

• 4,7-Ethano[1,2]dioxino[4,5-d]isoxazole(9CI)
• 151742-23-3
• C7H5 N O3
• 0
• .

• 4(1H)-Cinnolinone,3-chloro-1-[3-(trifluoromethyl)phenyl]-
• 150582-12-0
• C15H8 Cl F3 N2 O
• 0
• .

• 4-Thiazolemethanol, a-ethynyl-2-methyl-
• 153027-88-4
• C7H7 N O S
• 0
• .

• 4(3H)-Pyrimidinone,2-hydroxy-5-methyl-
• 153445-43-3
• C5H6 N2 O2
• 126.11334
• .

• 4-Pyridinecarboxamide,3-fluoro-
• 152126-30-2
• C6H5 F N2 O
• 0
• .

• 4H-Pyrazolo[5',1':2,3]imidazo[4,5-b]pyridine,2-ethoxy-
• 150163-76-1
• C10H10 N4 O
• 0
• .

• 4-Pyrimidinamine,5-chloro-6-(1-chloroethyl)-N-[(2,4-dichlorophenyl)methyl]-
• 150011-11-3
• C13H11 Cl4 N3
• 245.28
• .

• 4-Pyridinamine,N-[(3-chlorophenyl)methyl]-
• 149895-54-5
• C12H11 Cl N2
• 291.60402
• .

• 4-Pyrimidinecarbonylchloride, 2-chloro-
• 149849-93-4
• C5H2 Cl2 N2 O
• 176.98818
• .

• 4-Thiazolecarboxylicacid, 2-(difluoromethoxy)-, ethyl ester
• 153027-83-9
• C7H7 F2 N O3 S
• 0
• .

• 4(3H)-Quinazolinone,2-ethenyl-5,8-dihydroxy-
• 150880-63-0
• C10H8 N2 O3
• 0
• .

• 4-Pentenoic acid,2-amino-4-bromo-, (S)- (9CI)
• 151144-96-6
• C5H8 Br N O2
• 194.03
• .