• 4,13,19,20-Tetraoxatricyclo[14.2.1.17,10]eicosane-3,12-dione,5-[(1R)-1-[(2R,5S)-5-[(2R)-2-(dimethylamino)pentyl]tetrahydro-2-furanyl]ethyl]-11-ethyl-2,6,15-trimethyl-14-propyl-,(1R,2S,5S,6R,7S,10R,11R,14S,15R,16S)- (9CI)
• 171370-61-9
• C37H65 N O7
• .

• 4-Cycloheptene-1-carboxylicacid
• 1614-73-9
• C8H12 O2
• 140.1797
• .

• 4H-1-Benzopyran-4-one,3-[[6-O-(6-deoxy-a-L-mannopyranosyl)-b-D-galactopyranosyl]oxy]-5,7-dihydroxy-2-(4-hydroxyphenyl)-
• 17297-56-2
• C27H30 O15
• .

• 4-Oxaspiro[2.4]heptane-6-carboxamide,5-oxo-7-phenyl-
• 13169-33-0
• C13H13 N O3
• 231.2472
• .

• 4H-Pyran-4-one,2-methoxy-6-(3,6,8-trihydroxy-1-methyl-2-naphthalenyl)-
• 166334-60-7
• C17H14 O6
• .

• 4-Morpholinepropanol, a-tricyclo[3.3.1.13,7]dec-1-yl-
• 15037-70-4
• C17H29 N O2
• 279.4177
• .

• 4H-1,3,2-Benzoxazaphosphorin-4-one,3-ethyl-2,3-dihydro-2-phenyl-, 2-oxide
• 143000-25-3
• C15H14 N O3 P
• 287.2503
• .

• 4H-1-Benzopyran-4-one,3-[(6-deoxy-2-O-b-D-glucopyranosyl-a-L-mannopyranosyl)oxy]-5,7-dihydroxy-2-(4-methoxyphenyl)-8-(3-methyl-2-buten-1-yl)-
• 118525-35-2
• C33H40 O15
• .

• 4H-1-Benzopyran-8-carboxamide,N-[2-[4-(2-methoxyphenyl)-1-piperazinyl]ethyl]-3-methyl-4-oxo-2-phenyl-,hydrochloride (1:1)
• 152735-25-6
• C30H31 N3 O4 . Cl H
• .

• 4-Hexenoic acid,4-[[(6-O-D-apio-b-D-furanosyl-b-D-glucopyranosyl)oxy]methyl]-3-(2-hydroxyethyl)-(9CI)
• 166990-11-0
• C20H34 O13
• .

• 4'H-Naphth[3',2',1':10,9,11]estra-4,9(11)-dien-3-one,9,11-dihydro-17-hydroxy-17-[(1E)-3-hydroxy-1-propenyl]-6'-(5-pyrimidinyl)-, (11a,13a,17a)- (9CI)
• 164415-59-2
• C32H36 N2 O3
• .

• 4H-1-Benzopyran-4-one,7-[[6-O-(6-deoxy-a-L-mannopyranosyl)-b-D-glucopyranosyl]oxy]-5-hydroxy-3-(4-hydroxyphenyl)-
• 14988-20-6
• C27H30 O14
• .

• 4-Pyrenamine
• 17075-03-5
• C₁₆H₁₁N
• 217.2652
• .

• 4H-Pyrido[1,2-a]pyrimidine-3-carboxamide,9-methyl-4-oxo-N-propyl-
• 125055-71-2
• C13H15 N3 O2
• 245.2771
• .

• 4-Acridinecarboxamide,9-amino-
• 106988-43-6
• C14H11 N3 O
• 0
• .

• 4,10,14,29,30-Pentaoxa-32-azapentacyclo[23.3.1.12,5.19,13.119,23]dotriaconta-2,5(32),6,16-tetraen-15-one,11-[(1E)-2-[2-[[(2S,4R,6R)-6-[(1R,2E,4E,6R,8E)-9-bromo-1-hydroxy-6-methoxy-3-methyl-2,4,8-nonatrien-1-yl]tetrahydro-2-hydroxy-4-methoxy-2H-pyran-2-yl]methyl]-4-oxazolyl]-1-methylethenyl]-27-hydroxy-12,31-dimethyl-21-methylene-,(1R,9R,11R,12R,13S,19S,23R,25S,27R,31S)-
• 165883-76-1
• C53H71 Br N2 O13
• 1024.05
• .

• 4-Eicosenoic acid,(11Z)-3-hydroxy-11-eicosen-1-yl ester, (4Z)-
• 122576-62-9
• C40H76 O3
• .

• 4-Piperidinecarboxylicacid, 1-(2-pyridinylmethyl)-
• 193538-28-2
• C12H16 N2 O2
• 安全数据
• 220.27
• .

• 4-Octyne,1,8-diiodo-2,7-bis(iodomethyl)-2,7-dimethyl-
• 16343-99-0
• C12H18 I4
• 669.8892
• .

• 4H-1-Benzopyran-4-one,2,3-dihydro-5,7-dihydroxy-2-[4-hydroxy-3-(2-hydroxy-3-methyl-3-butenyl)phenyl]-8-(3-methyl-2-butenyl)-(9CI)
• 162616-68-4
• C25H28 O6
• .

• 4-Cyclohexene-1,2-dicarboxylicacid, 1,2-bis(2-isocyanatoethyl) ester
• 15481-65-9
• C14H16 N2 O6
• 308.32
• .

• 4(5H)-Oxazolone,2-amino-5-[2-(4-methylphenyl)-2-oxoethylidene]-
• 155717-89-8
• C12H10 N2 O3
• 230.2194
• .

• 4(1H)-Quinazolinone,2,3-dihydro-3-(2-hydroxypropyl)-2-thioxo-
• 16024-86-5
• C11H12 N2 O2 S
• 0
• .

• 4H-1,2,4-Triazole,3-(3-fluorophenyl)-4-methyl-5-(methylthio)-
• 144165-20-8
• C10H10 F N3 S
• 223.2699
• .

• 4H-1-Benzopyran-4-one,6-(2,6-dideoxy-b-D-lyxo-hexopyranosyl)-5,7-dihydroxy-2-(4-hydroxyphenyl)-(9CI)
• 124961-70-2
• C21H20 O8
• .

• 4-Oxa-1-azabicyclo[3.2.0]heptane-2-carboxylicacid, 3-(2-aminoethylidene)-7-oxo-, (2S,3Z,5S)-
• 112296-12-5
• C8H10 N2 O4
• .

• 4-Heptanol,2,6-dimethyl-, 4-acetate
• 10250-45-0
• C11H22 O2
• 233-588-4
• 186.29118
• .

• 4(3H)-Pteridinone,2-amino-7,8-dihydro-6-(1-oxopropyl)-
• 1797-87-1
• C9H11 N5 O2
• 221.22
• .

• 4H-Pyran-4-one,3-hydroxy-6-(hydroxymethyl)-2-(4-morpholinylmethyl)-
• 1429-25-0
• C11H15 N O5
• 241.2405
• .

• 4(3H)-Pyrimidinone,2-(dimethylamino)-6-methyl-
• 19810-73-2
• C7H11 N3 O
• 243-337-0
• 153.18174
• .

• 4H-Pyrimido[6,1-a]isoquinolin-4-one,2-[(3-fluorophenyl)imino]-2,3,6,7-tetrahydro-9,10-dimethoxy-3,7-dimethyl-,hydrochloride (1:1)
• 108445-80-3
• C22H22 F N3 O3 . Cl H
• 431.8877
• .

• 4(5H)-Oxazolone,2-amino-5-[2-(4-chlorophenyl)-2-oxoethylidene]-
• 155717-88-7
• C11H7 Cl N2 O3
• 250.6379
• .

• 4H-Imidazol-4-one,5-ethylidene-3,5-dihydro-2-methyl-3-(5-phenyl-1,3,4-thiadiazol-2-yl)-
• 100037-21-6
• C14H12 N4 O S
• 284.3363
• .

• 4H-1,3,8-Trioxaacenaphthylene-6-carboxylicacid, 2,2a,5,5a,8a,8b-hexahydro-4-oxo-, methyl ester, (2aR,5aS,8aS,8bS)-
• 157744-28-0
• C11H12 O6
• .

• 4(3H)-Pyrimidinone,2-amino-6-(fluoromethyl)-
• 1597-36-0
• C5H6 F N3 O
• 143.1190432
• .

• 4-Oxazolidinepropanoicacid, 2,5-dioxo-, methyl ester, (R)- (9CI)
• 1676-88-6
• C7H9 N O5
• 216-828-2
• 187.15006
• .

• 4-Pyridinecarboxylicacid, 2-amino-, ethyl ester
• 13362-30-6
• C₈H₁₀N₂O₂
• 166.1772
• .

• 4H-1,3,4-Thiadiazin-2-amine,5,6-dihydro-4,6-dimethyl-
• 15054-10-1
• C5H11 N3 S
• 145.2259
• .

• 4H-Pyrano[3,2-b]pyridin-4-one,2-(3-bromophenyl)-
• 148190-17-4
• C14H8 Br N O2
• 302.1228
• .

• 4-Piperidinecarboxylic acid,1-[3-(4-fluorophenyl)-3-oxopropyl]-4-phenyl-, ethyl ester, hydrochloride (1:1)
• 102395-65-3
• C23H26 F N O3 . Cl H
• 419.9168
• .

• 4,9:5,8-Dimethano-1H-benz[f]isoindole-1,3(2H)-dione(9CI)
• 15006-77-6
• C14H7 N O2
• .

• 4H-Imidazol-4-one,5-[(2-bromophenyl)methylene]-3,5-dihydro-3-[[(4-nitrophenyl)methylene]amino]-2-phenyl-
• 126293-42-3
• C23H15 Br N4 O3
• 475.2942
• .

• 4(1H)-Pyrimidinone,2,3-dihydro-5-[(2-hydroxy-1-naphthalenyl)methyl]-6-phenyl-2-thioxo-
• 14513-15-6
• C21H16 N2 O2 S
• 0
• .

• 4-Quinolineacetic acid,2-methyl-, methyl ester, hydriodide (1:1)
• 100749-52-8
• C13H13 N O2 . H I
• 343.1602
• .

• Methyl 2-iodoisonicotinate
• 134579-47-8
• C₇H₆INO₂
• 263.03
• .

• 4(3H)-Quinazolinone,2-methyl-3-[(5-phenyl-1,3,4-oxadiazol-2-yl)methyl]-
• 106924-02-1
• C18H14 N4 O2
• 318.3294
• .

• 4-Pyridinecarboxylicacid, 2-[(2-chloro-6-nitrophenyl)methylene]hydrazide
• 128153-92-4
• C13H9 Cl N4 O3
• 304.6886
• .

• 4H-1-Benzopyran-4-one,7-hydroxy-5-methoxy-2-(4-methoxyphenyl)-6-methyl-
• 127324-51-0
• C18H16 O5
• .

• 4(1H)-Pyrimidinone,2,3-dihydro-1,3-dimethyl-2-thioxo-
• 1194-71-4
• C6H8 N2 O S
• 156.2055
• .

• 4H-Cyclohepta[4,5]thieno[2,3-d]pyrimidin-4-one,3-amino-3,5,6,7,8,9-hexahydro-2-(phenylmethyl)-
• 120354-27-0
• C18H19 N3 O S
• 325.428
• .