Preferred Label : 2,4-diamino-6-pteridinecarboxaldehyde;
MeSH note : methotrexate photodegradation product; structure given in first source;
MeSH synonym : DAPTCA;
Registry Number MeSH : 4261-17-0;
Is substance : O;
Origin ID : C050577;
UMLS CUI : C0629057;
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