• 4,6(1H,5H)-Pyrimidinedione,5-[[4-(diethylamino)phenyl]methylene]dihydro-2-thioxo-
• 60045-59-2
• C15H17 N3 O2 S
• 303.3794
• .

• 4-Piperidinone,5-hydroxy-1,5-dimethyl-2-(1-naphthalenyl)-, hydrochloride, trans- (9CI)
• 66439-90-5
• C17H19 N O2 . Cl H
• 305.803
• .

• 4-Quinolinecarboxylicacid, 2-methyl-, hydrazide
• 29620-66-4
• C11H11 N3 O
• 0
• .

• 4H-1-Benzopyran-4-one,3-(2,4-dihydroxyphenyl)-7-hydroxy-5-methoxy-8-(3-methyl-2-buten-1-yl)-
• 104703-88-0
• C21H20 O6
• .

• 4-Piperidinol,1-methyl-4-phenyl-
• 4972-68-3
• C12H17 N O
• 225-619-5
• 191.2695
• .

• 4H-Pyrrolo[2,3-d]pyrimidin-4-imine,3-(2-chlorophenyl)-3,7-dihydro-2,5,6-trimethyl-7-phenyl-
• 90774-61-1
• C21H19 Cl N4
• 362.8554
• .

• 4-Pyridinecarboxylicacid, 2-[(1,2,3,6-tetrahydro-2,6-dioxo-4-pyrimidinyl)methylene]hydrazide
• 14304-72-4
• C11H9 N5 O3
• 259.2209
• .

• 4-Quinolinol,5,8-dimethoxy-2-methyl-
• 58868-03-4
• C12H13 N O3
• 219.2365
• .

• 4-Thiazolidinone,3-[2-[1-acetyl-5-(2-fluorophenyl)-4,5-dihydro-1H-pyrazol-3-yl]phenyl]-5-methyl-2-(2-phenyl-1H-indol-3-yl)-
• 133405-42-2
• C35H29 F N4 O2 S
• 588.6938
• .

• 4H-1-Benzopyran-4-one,7-[(O-6-deoxy-a-L-mannopyranosyl-(1®6)-O-[b-D-glucopyranosyl-(1®2)]-b-D-glucopyranosyl)oxy]-3,5-dihydroxy-2-(4-hydroxyphenyl)-
• 193900-68-4
• C33H40 O20
• .

• 4-Penten-1-ol,5-(4-methylphenyl)-4-nitro-, 1-acetate
• 21461-30-3
• C14H17 N O4
• 263.2891
• .

• 4H-Cyclopenta[def]phenanthrene,1-methyl-
• 98090-89-2
• C16H12
• 204.2665
• .

• 4,1,6-[1,2,3]Propanetriyl-1H-indene,octahydro- (9CI)
• 15002-90-1
• C12H18
• .

• 4,7-Ethanobenzoxazole,2,3-dihydro-
• 23639-49-8
• C9H9 N O
• .

• 4H-Imidazol-4-one,3,5-dihydro-3-[(6-methoxy-2-methyl-4-quinolinyl)amino]-2-methyl-5-(phenylmethylene)-
• 85986-73-8
• C22H20 N4 O2
• 372.4198
• .

• 4-Morpholinebutanenitrile,b-methyl-a,a-diphenyl-
• 1704-70-7
• C21H24 N2 O
• 320.4281
• .

• 4H-1-Benzopyran-4-one,5-hydroxy-2-(4-hydroxyphenyl)-6,7,8-trimethoxy-
• 16545-23-6
• C18H16 O7
• 0
• .

• 4H-Pyrido[4',3':4,5]thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepine-9(8H)-carboxamide,6-(2-chlorophenyl)-7,10-dihydro-1-methyl-N-[4-(trifluoromethyl)phenyl]-
• 132418-43-0
• C26H20 Cl F3 N6 O S
• 556.9898
• .

• 4-Thiazoleacetic acid,2-(3-chlorophenyl)-
• 17969-26-5
• C11H8 Cl N O2 S
• 0
• .

• 4-Pyrimidinecarboxylicacid, 6-chloro-5-methyl-2-(methylthio)-
• 6623-83-2
• C7H7 Cl N2 O2 S
• 218.6607
• .

• 4-Heptyn-3-one
• 32398-68-8
• C7H10 O
• 110.1537
• .

• 4(3H)-Pyrimidinone,2-[(phenylmethyl)thio]-3-(2-propen-1-yl)-
• 6398-99-8
• C14H14 N2 O S
• 258.3388
• .

• 4a,8a-Epoxynaphthalene(8CI,9CI)
• 174-24-3
• C10H8 O
• .

• 4H-1-Benzopyran-4-one,2,3-dihydro-5,7-dihydroxy-8-[(1S,6R)-3-methyl-6-(1-methylethyl)-2-cyclohexen-1-yl]-2-phenyl-,(2S)-
• 111822-11-8
• C25H28 O4
• .

• 4(3H)-Pyrimidinone,2-(methylthio)-5-(phenylmethoxy)-
• 4874-30-0
• C12H12 N2 O2 S
• 248.3009
• .

• 4-Acridinecarboxamide,9-[[2-methoxy-4-[(methylsulfonyl)amino]phenyl]amino]-N,N-dimethyl-
• 76708-56-0
• C24H24 N4 O4 S
• 464.5368
• .

• 4(3H)-Quinazolinone,2-(phenylamino)-
• 4248-15-1
• C14H11 N3 O
• 237.2566
• .

• 4H-1,2,4-Triazolium,1,4-dimethyl-3-[2-[4-[methyl(phenylmethyl)amino]phenyl]diazenyl]-, hydroxide(1:1)
• 93923-64-9
• C18H21 N6 . H O
• 300-153-6
• 340.42276
• .

• 4H-Furo[2,3-h]-1-benzopyran-4-one,2-(2-methoxyphenyl)-
• 73937-46-9
• C18H12 O4
• 292.2855
• .

• 4H-1,3,5-Oxadiazine-4-thione,tetrahydro-
• 23375-59-9
• C3H6 N2 O S
• .

• 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid,3,3-dimethyl-6-[[(5-methyl-3-phenyl-4-isothiazolyl)carbonyl]amino]-7-oxo-,monosodium salt, [2S-(2a,5a,6b)]- (9CI)
• 16216-98-1
• C19H19 N3 O4 S2 . Na
• 439.4837
• .

• 4,7-Methano-1H-indene-5,?-dimethanol,octahydro-
• 26160-83-8
• C12H20 O2
• 247-488-3
• 196.32
• .

• 4-Morpholineacetamide,N-[2-(4-methylphenoxy)ethyl]-N-phenyl-, hydrochloride (1:1)
• 55566-00-2
• C21H26 N2 O3 . Cl H
• 390.9037
• .

• 4,4'-Bipyridine,2,2'-dimethyl-
• 712-61-8
• C12H12 N2
• 211-924-0
• 184.23708
• .

• 4H-1-Benzopyran-4-one,2,3-dihydro-6-(1-hydroxyethyl)-2,2-dimethyl-
• 79694-80-7
• C13H16 O3
• 0
• .

• 4H-Pyran-3-carboxylicacid, 6-amino-5-cyano-2,4-diphenyl-, ethyl ester
• 73035-26-4
• C21H18 N2 O3
• 346.3792
• .

• 4-Imidazolidineethanesulfonylazide, 2,5-dioxo-
• 5446-31-1
• C5H7 N5 O4 S
• 234.2126
• .

• 4-Piperidinol,2,5-dimethyl-1-(2-propen-1-yl)-, 4-benzoate, hydrochloride (1:1)
• 54336-41-3
• C17H23 N O2 . Cl H
• .

• 4-Morpholinecarbodithioicacid, trimethylstannyl ester
• 35777-92-5
• C8H17 N O S2 Sn
• 326.0667
• .

• 4H-1-Benzopyran-4-one,5-hydroxy-2-(4-hydroxyphenyl)-7-[[4-O-[(2E)-3-(4-hydroxyphenyl)-1-oxo-2-propen-1-yl]-b-D-glucopyranosyl]oxy]-
• 105815-91-6
• C30H26 O12
• 0
• .

• 4(3H)-Quinazolinone,3-[[4-[bis(2-chloroethyl)amino]phenyl]sulfonyl]-
• 69561-39-3
• C18H17 Cl2 N3 O3 S
• 426.3169
• .

• 4-Penten-2-ol,3-ethyl-2-methyl-
• 70760-07-5
• C8H16 O
• 274-850-8
• 128.21204
• .

• 4(1H)-Pyrimidinone,2-amino-5-[(2-ethoxyphenyl)amino]-6-hydroxy- (9CI)
• 6952-57-4
• C12H14 N4 O3
• 262.2646
• .

• 4-Decyne, 1-chloro-
• 26817-65-2
• C10H17 Cl
• 172.69
• .

• 4,7-Methano-1H-inden-1-one,3a,4,5,6,7,7a-hexahydro-7a-(4-methyl-1-piperazinyl)-2,3-diphenyl-, (3aa,4b,7b,7aa)- (9CI)
• 58311-39-0
• C27H30 N2 O
• 398.5399
• .

• 4-Quinolinol,6-chloro-2-(1-piperidinyl)-
• 75723-01-2
• C14H15 Cl N2 O
• 262.7347
• .

• 4-Pyridazinol,6-chloro-3-phenyl-, sodium salt (1:1)
• 54188-79-3
• C10H7 Cl N2 O . Na
• 259-022-6
• 228.61021
• .

• 4(3H)-Pyrimidinone,2,6-diamino-5-(3-buten-1-yl)-
• 3344-07-8
• C8H12 N4 O
• 180.2071
• .

• 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid, 6-[[(4-formyl-2-methoxyphenoxy)acetyl]amino]-3,3-dimethyl-7-oxo-,(2S,5R,6R)- (9CI)
• 1517-89-1
• C18H20 N2 O7 S
• .

• 4H-3,1-Benzoxazin-4-one,6-methyl-2-(4-nitrophenyl)-
• 40728-80-1
• C15H10 N2 O4
• 282.2509
• .