Chemistry is traditionally divided into organic and inorganic chemistry. SDS of cas: 2213-63-0, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 2213-63-0
Phenylalanine derivatives
Phenylalanine derivatives of formula (1) are described: in which:Ar1 is an aromatic or heteroaromatic group;L1 is a linker atom or group;R is a carboxylic acid or a derivative thereof;Ar2 is an optionally substituted aromatic or heteroaromatic group;and the salts, solvates, hydrates and N-oxides thereof.The compounds are able to inhibit the binding of a4 integrins to their ligands and are of use in the prophylaxis and treatment of immune or inflammatory disorders.
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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1147 | ChemSpider