• 4-Pyrimidinamine,3-oxide
• 91233-76-0
• C4H5 N3 O
• 111.102
• .

• 4-Isoxazolecarboxylicacid, 5-methyl-3-(2-methylphenyl)-
• 91569-58-3
• C12H11 N O3
• 0
• .

• 4H-Pyrrolo[3,2-d]pyrimidin-4-one,3,5-dihydro-6-methyl-
• 91996-90-6
• C7H7 N3 O
• 149.14998
• .

• 4H-Imidazole,5-methyl-4-methylene-2-phenyl-
• 861327-62-0
• C11H10 N2
• 0
• .

• 4-Oxazolecarboxylicacid, 2-(4-methylphenyl)-, ethyl ester
• 92029-41-9
• C13H13 N O3
• 231.25
• .

• 4-Isoxazolamine,3,5-dimethyl-N-2-propyn-1-yl-
• 92088-04-5
• C8H10 N2 O
• 0
• .

• 4-Thiazoleacetic acid,2-amino-a-[(1-carboxy-1-methylethoxy)imino]-
• 91999-75-6
• C9H11 N3 O5 S
• 0
• .

• 4-Piperidinemethanol, a-phenyl-, hydrochloride (1:1)
• 91688-34-5
• C12H17 N O . Cl H
• 0
• .

• 4-Isoxazolecarboxylicacid, 3-methyl-5-(4-nitrophenyl)-, ethyl ester
• 91956-02-4
• C13H12 N2 O5
• 0
• .

• 4-Pyridinamine,3,5-dichloro-, 1-oxide
• 91872-02-5
• C5H4 Cl2 N2 O
• 0
• .

• 4(3H)-Pyrimidinone,6-phenoxy-
• 91520-65-9
• C10H8 N2 O2
• 188.18272
• .

• 4H-1-Benzopyran-2-carboxylicacid, 6,8-dibromo-4-oxo-
• 92057-41-5
• C10H4 Br2 O4
• 0
• .

• 4-Isoxazolecarboxylicacid, 3-(1-methylethyl)-5-phenyl-
• 92029-27-1
• C13H13 N O3
• 0
• .

• 4-Isoxazolecarboxylicacid, 3-methyl-5-(2-methylphenyl)-
• 91569-56-1
• C12H11 N O3
• 0
• .

• 4-Isoxazolecarboxylicacid, 5-phenyl-3-propyl-
• 92029-31-7
• C13H13 N O3
• 0
• .

• 4-Oxazolidinecarboxamide,4,5,5-trimethyl-2-oxo-
• 91912-32-2
• C7H12 N2 O3
• 0
• .

• 4H-Imidazo[4,5,1-ij]quinoline,5,6-dihydro-2,6-dimethyl-
• 95750-80-4
• C12H14 N2
• 0
• .

• 4-Isoxazolecarboxamide,5-amino-
• 95298-76-3
• C4H5 N3 O2
• 0
• .

• 4-Pyridinecarboxylicacid, 1,2-dihydro-2-oxo-6-phenyl-
• 91493-43-5
• C12H9 N O3
• 215.2
• .

• 4-Morpholineaceticacid, a-phenyl-, hydrochloride (1:1)
• 91641-50-8
• C12H15 N O3 . Cl H
• 257.71334
• .

• 4(3H)-Quinazolinone,3-amino-6-bromo-
• 96498-79-2
• C8H6 Br N3 O
• 0
• .

• 4-Isoxazolecarboxylicacid, 3-ethyl-5-phenyl-
• 91569-54-9
• C12H11 N O3
• 0
• .

• 4-Isoxazolecarboxylicacid, 3-methyl-5-(4-methylphenyl)-
• 91569-57-2
• C12H11 N O3
• 0
• .

• 4H-Indol-4-one,5-chloro-1,5,6,7-tetrahydro-
• 95991-85-8
• C8H8 Cl N O
• 0
• .

• 4-Pyrimidinamine,5-iodo-
• 91416-96-5
• C₄H₄IN₃
• 0
• .

• 4(3H)-Quinazolinone,8-methoxy-3-methyl-2-[4-[3-(1-pyrrolidinyl)propoxy]phenyl]-
• 870997-30-1
• C23H27 N3 O3
• 0
• .

• 4-Pyrimidinamine, 2-fluoro- (9CI)
• 96548-91-3
• C4H4FN3
• 113.0930632
• .

• 4-Isoxazolecarboxylicacid, 4,5-dihydro-3-methyl-5-phenyl-, methyl ester
• 92234-46-3
• C12H13 N O3
• 0
• .

• 4-Morpholinecarbothioamide,3,5-dimethyl-
• 92503-11-2
• C7H14 N2 O S
• 0
• .

• 4H-Pyrrolo[3,2-d]pyrimidin-4-one,7-amino-3,5-dihydro-
• 93587-28-1
• C6H6 N4 O
• 150.13804
• .

• 4H,9H-Dipyrazolo[1,5-a:1',5'-d]pyrazine,2,7-dimethyl-
• 92607-87-9
• C10H12 N4
• 0
• .

• 4(3H)-Quinazolinone,3-(2-chloro-4-nitrophenyl)-2-methyl-
• 93432-37-2
• C15H10 Cl N3 O3
• 0
• .

• 4H-[1,3]Oxazino[3,2-a]benzimidazol-4-one,2-methyl-
• 93102-76-2
• C11H8 N2 O2
• 0
• .

• 4-Pyridinamine,5-chloro-2-methyl-
• 97944-44-0
• C6H7 Cl N2
• 142.58618
• .

• 4-Pyridinecarboxamide,1,4-dihydro-1-methyl-
• 92777-76-9
• C7H10 N2 O
• 0
• .

• 4-Oxazolidinecarboxylicacid, 2-oxo-, methyl ester
• 96751-61-0
• C5H7 N O4
• 0
• .

• 4-Isoxazolecarboxylicacid, 3-methyl-, methyl ester
• 92234-50-9
• C6H7 N O3
• 0
• .

• 4H-Benzimidazol-4-one,3,3a-dihydro-7-hydroxy-2,3-dimethyl-
• 97042-62-1
• C9H10 N2 O2
• 0
• .

• 4-Isoxazolecarboxylicacid, 5-(2-hydroxy-4-methylphenyl)-3-methyl-, ethyl ester
• 92397-22-3
• C14H15 N O4
• 0
• .

• 4-Thiazolecarboxylicacid, 2-[(1R)-1-aminoethyl]-, ethyl ester
• 96965-18-3
• C8H12 N2 O2 S
• 0
• .

• 4(3H)-Pyrimidinone,5,6-dihydroxy-
• 98020-41-8
• C4H4 N2 O3
• 128.08616
• .

• 4,5-Heptadienoic acid,7-[(1R,2R,3R)-3-hydroxy-2-[(1E,3R)-3-hydroxy-4-phenoxy-1-buten-1-yl]-5-oxocyclopentyl]-,methyl ester
• 93000-00-1
• C23H28 O6
• 0
• .

• 4-Quinolinecarboxylicacid, 3-methoxy-2-methyl-
• 93001-91-3
• C12H11 N O3
• 217.22064
• .

• 4-Pyridineacetonitrile,a-(phenylamino)-
• 97383-66-9
• C13H11 N3
• 209.25
• .

• 4-Oxazolidinecarboxylicacid, 2-(1,1-dimethylethyl)-3-formyl-4-(phenylmethyl)-, methyl ester, (2R,4S)-
• 93250-97-6
• C17H23 N O4
• 0
• .

• 4-Pyrimidinecarboxylicacid, 1,6-dihydro-6-oxo-, hydrazide
• 98021-41-1
• C5H6 N4 O2
• 0
• .

• 4,7-Etheno-1H-indene-8-carboxaldehyde,3a,4,5,6,7,7a-hexahydro-5,6-dioxo-
• 93127-04-9
• C12H10 O3
• 202.206
• .

• 4(3H)-Pyrimidinone,3-amino-6-hydrazinyl-
• 93098-77-2
• C4H7 N5 O
• 0
• .

• 4-CHLOROBENZYLTRIPHENYLPHOSPHONIUM TETRAFLUOROBORATE, 98
• 97559-21-2
• C25 H21 Cl P . B F4
• 474.67
• .

• 4-Pyridinecarboxamide,1,2-dihydro-1-methyl-2-methylene-
• 92777-79-2
• C8H10 N2 O
• 0
• .