| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 5221-22-7 | | 2,2-diethyl-glutarimid | | | | |
| 5221-37-4 | 2-氯-n-(2-吡啶基)乙酰胺 | 2-chloro-n-(2-pyridyl)acetamide | | | | |
| 5221-42-1 | | n-(4-pyridyl)-acetamid | | | | |
| 5221-44-3 | | 4-benzamido-pyridin | | | | |
| 5221-49-8 | | phosphorothioic acid, o-(2-(dimethylamino)-6-methyl-4-pyrimidinyl) o,o-diethyl | | | | |
| 5221-53-4 | | 5-butyl-2-dimethylamino-6-methyl-4-pyrimidino | | | | |
| 5221-62-5 | 2-丙炔基尿素 | 2-propynylurea | | | | |
| 52210-18-1 | 4-(2,6,6三甲基-1-环己烯-1-基)-3-丁烯-2-醇乙酸酯 | 3-Buten-2-ol, 4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-, acetate | C15H24O2 | | | |
| 52210-86-3 | | 1-(4-piperidinyl)-2-imidazolidinone | | | | |
| 52210-90-9 | | 1-pyridin-4-yl-imidazolidin-2-one | | | | |
| 52211-04-8 | 1-甲基-3-(哌啶-4-基)咪唑烷-2-酮 | 1-methyl-3-(piperidin-4-yl)imidazolidin-2-one | | | | |
| 52211-63-9 | | 3-(3-ethenyl-4-piperidinyl)-1-(6-methoxy-4-quinolinyl)-1-propanon monohydro | | | | |
| 52212-02-9 | | 4,4'-(3,17-dihydroxyandrostan-2,16-diyl)bis(1,1-dimethyl-piperaziniu dibrom | | | | |
| 52212-83-6 | | 3-hydroxy-1-methyl-guanin acetate | | | | |
| 52212-90-5 | | 9,10-dimethoxyanthracene-2-sulfonate | | | | |
| 52212-91-6 | | propanamide, n-(12-(acetyloxy)-6-hydroxy-3,9,15,17-tetramethyl-16-oxo-2,4,8,10, | | | | |
| 52213-23-7 | | 4-hydroxyiminomethyl-2,2,5,5-tetramethyl- 3-imidazoline-1-oxyl | C8H14N3O2 | 184.21 | 163-164℃ | |
| 52213-76-0 | | 1,2-diphenyl-4-isopropyl-3-methoxy-3-pyrazolin-5-on | | | | |
| 52214-13-8 | | 4-((3-chlorophenyl)amino)-3-pyridinesulfonamid | | | | |
| 52214-84-3 | 环丙贝特 | 2-(4-(2,2-dichlorocyclopropyl)phenoxy)-2-methyl-propionic aci | C13H14Cl2O3 | 289.15 | | |
| 52215-12-0 | | pyrrolidone hydrotribromide | C12H22Br3N3O3 | 496.03 | 87-91℃ | |
| 52215-41-5 | | 3-Fluoro-5-methylaniline | | | | |
| 52217-13-7 | | 3-Butyliminomethylene-dihydro-furan-2-one | C9H13NO2 | 167.20 | | |
| 52217-39-7 | | 3-methyl-1-phenyl-1h-pyrazolo[3,4-d]pyrimidine | | | | |
| 52217-47-7 | | 1-acetyl-3-ethylnitroso-ure | | | | |
| 52217-52-4 | | trichloro-7-octenyl-silan | C8H15Cl3Si | 245.65 | | 223℃ |
| 52217-53-5 | | bis(trichlorosilyl)octane | C8H16Cl6Si2 | 381.10 | | 140℃(1 t |
| 52217-57-9 | | trimethoxy-7-octenyl-silan | C11H24O3Si | 232.39 | | 48℃(0.1 |
| 52217-60-4 | 1,8-亚辛基双(三乙氧基)硅烷 | 1,8-octanediylbis[triethoxy-Silane | | | | |
| 52218-35-6 | 6-羟乙基砜基-2-萘胺 | 2-[(6-amino-2-naphthalenyl)sulfonyl]-ethano | | | | |
| 52218-58-3 | | antibiotic 768 | | | | |
| 52218-76-5 | | dowex sbr-p oh form | | | | |
| 52219-07-5 | | lysozymechloride | | | | |
| 52219-08-6 | | qae sephadex | | | | |
| 5222-73-1 | 方形酸甲酯 | 3,4-dimethoxy-3-cyclobutene-1,2-dione | C6H6O4 | 142.11 | 55-57℃ | |
| 5222-76-4 | | cis-hexa-1,3-dien-5-yne | C6H6 | 78.11 | | |
| 5222-77-5 | | (E)-1,3-hexadien-5-yne | C6H6 | 78.11 | | |
| 52221-06-4 | | isopropyl hydrogen adipate | | | | |
| 52221-07-5 | | 6-(tert-butoxy)-6-oxohexanoic acid | | | | |
| 52221-67-7 | | tetrakis(hydroxymethyl)-phosphoniu ethanedioate (2:1) (salt) | | | | |
| 52221-92-8 | | 3-(2-Bromo-phenyl)-propan-1-ol | C9H11BrO | 215.09 | | |
| 52222-43-2 | | 2-(methylthio)-5-nitroso-6-pyrimidinediamine | C5H7N5OS | 185.20 | | |
| 52222-45-4 | | 5-nitroso-2-[(phenylmethyl)thio]-6-pyrimidinediamine | C11H11N5OS | 261.30 | | |
| 52222-73-8 | 4-三氟甲基-1h-吡唑 | 4-trifluoromethyl-1h-pyrazole | | | | |
| 52222-87-4 | 6-苄酰基-2-萘酚 | ketone, 6-hydroxy-2-naphthyl phenyl | | | 161-162℃ | |
| 52223-42-4 | | 1-b)pyran-1-one, 3-(1-piperidinyl)-2-(1-piperidinylmethyl)-1h-naphtho( | | | | |
| 52223-83-3 | | 2-methyl-, 5-(2-((1,1-dimethylethyl)amino)-1-hydroxyethyl)-1,3-propanoic aci | | | | |
| 52223-84-4 | | 1,3-benzenediol, 5-(2-((1,1-dimethylethyl)amino)-1-hydroxyethyl)-, 1,3-dipropan | | | | |
| 52223-87-7 | | 2,2-dimethyl-, 5-(2-((1,1-dimethylethyl)amino)-1-hydroxyethyl)-propanoic aci | | | | |
| 52224-29-0 | | carbanilic acid, n-methyl-m-(pentyloxy)-, 2-piperidinoethyl ester, monohydrochl | | | | |
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