Preferred Label : 2-hydroxy-3-phenylpyrazine;
MeSH note : fluorescent impurity in ampicillin;
MeSH CAS label : 2(1H)-Pyrazinone, 3-phenyl-;
Registry Number MeSH : 2882-18-0;
Is substance : O;
Origin ID : C020364;
UMLS CUI : C0608520;
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