• 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-Morpholinesulfonicacid
• 6427-18-5
• C4H9 N O4 S
• 0
• .

• 4(3H)-Pyrimidinone,2-amino-5-[3-[[4-(6-chloro-5-oxohexyl)phenyl]amino]propyl]-6-methyl-
• 2499-31-2
• C20H27 Cl N4 O2
• 390.907
• .

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

• 4-Quinazolinamine,N-(4-methoxyphenyl)-2-[2-(4-methoxyphenyl)ethenyl]-
• 69019-03-0
• C24H21 N3 O2
• 0
• .

• 4-Thiazolidinone,5-[3-(2-nitrophenyl)-2-propen-1-ylidene]-2-thioxo-
• 6329-19-7
• C12H8 N2 O3 S2
• 0
• .

• 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
• .

• 4-Piperidinol,1,2,5-trimethyl-4-phenyl-5-(1-piperidinylmethyl)-, 4-benzoate, hydrochloride(1:2)
• 28060-43-7
• C27H36 N2 O2 . 2 Cl H
• 493.5088
• .

• 4-Nonenal, (4E)-
• 2277-16-9
• C9H16 O
• 0
• .

• 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
• .

• 4-Heptanol, 2-methyl-
• 21570-35-4
• C8H18 O
• 244-448-7
• 130.23
• .

• 4H-1-Benzopyran-4-one,2-[4-(b-D-glucopyranosyloxy)-3-hydroxyphenyl]-5,7-dihydroxy-3-methoxy-
• 22255-19-2
• C22H22 O12
• .

• 4,6-Pyrimidinediamine,N4-[4-(diethylamino)-1-methylbutyl]-5-nitro-, hydrochloride (1:1)
• 30292-63-8
• C13H24 N6 O2 . Cl H
• 296.3687
• .

• 4H-Pyrido[1,2-a]pyrimidin-4-one,7-bromo-2-methyl-
• 64500-11-4
• C9H7 Br N2 O
• 239.0687
• .

• 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
• .

• 4H-3,1-Benzoxazin-4-one,1,2-dihydro-1-(methoxymethyl)-6-nitro-
• 26491-00-9
• C10H10 N2 O5
• 238.1968
• .

• 4-Pyrimidinamine,2-ethoxy-5-fluoro-
• 56076-21-2
• C6H8 F N3 O
• 259-981-0
• 157.1456232
• .

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

• 4-Isoxazolecarboxylicacid, 3-(2-chlorophenyl)-5-methyl-, potassium salt (1:1)
• 83817-52-1
• C11H8 Cl N O3 . K
• 280-952-3
• 275.72948
• .

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

• 4H-1-Benzopyran-4-one,8-[5-(5,7-dihydroxy-4-oxo-4H-1-benzopyran-2-yl)-2-hydroxyphenyl]-5-hydroxy-2-(4-hydroxyphenyl)-7-methoxy-
• 2608-21-1
• C31H20 O10
• 0
• .

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

• 4(1H)-Pyrimidinone,6-amino-5-[(1,3-benzodioxol-5-ylmethylene)amino]-2,3-dihydro-2-thioxo-
• 64232-87-7
• C12H10 N4 O3 S
• 290.2978
• .

• 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-Pyridinemethanamine, a-phenyl-
• 58088-57-6
• C12H12 N2
• 184.24
• .

• 4H-1-Benzopyran-4-one,3-[2,4-dihydroxy-5-(3-methyl-2-buten-1-yl)phenyl]-2,3-dihydro-5,7-dihydroxy-6-(3-methyl-2-buten-1-yl)-
• 222610-89-1
• C25H28 O6
• .

• 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
• .

• 4(3H)-Pyrimidinone,2-[(4-methoxyphenyl)thio]-6-(1-methylpropoxy)-
• 284681-76-1
• C15H18 N2 O3 S
• 306.38
• .

• 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-Nonene
• 2198-23-4
• C9H18
• 218-595-2
• 126.24
• .

• 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
• .

• 4-Pyridazinol,3-chloro-6-methyl-
• 22390-52-9
• C5H5 Cl N2 O
• 144.559
• .

• 4-Octen-3-ol,3,7-dimethyl-, (4E)-
• 68892-25-1
• C10H20 O
• 272-609-1
• 156.2652
• .

• 4H-[1,2,4]Triazolo[4,3-a][1]benzazepine,9-fluoro-6-(4-fluorophenyl)-5,6-dihydro-1-phenyl-
• 77796-13-5
• C23H17 F2 N3
• 0
• .

• 4-Morpholinecarboxylicacid, 1-methylethyl ester
• 6298-77-7
• C8H15 N O3
• 0
• .

• 4-(Benzyl(ethyl)amino)benzenediazonium tetrafluoroborate
• 58672-61-0
• C₁₅H₁₆BF₄N₃
• 261-386-6
• 325.1122528
• .

• 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
• .