Preferred Label : cobyrinic acid hexamethyl ester f-nitrile;
MeSH note : porphyrin ring resulting from cleavage of nucleoside & hydrolysis of amide groups
on vitamin B 12; step in total synthesis of the vitamin; structure;
MeSH CAS label : cobyrinic acid-f-nitrile, dicyanide, hexamethyl ester;
Registry Number MeSH : 56456-66-7;
Is substance : O;
Origin ID : C007100;
UMLS CUI : C0056051;
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