https://www.cancer.gov/Common/PopUps/popDefinition.aspx?id=530325&version=healthprofessional&language=Spanish&dictionary=Cancer.gov
Definition of tegafur-uracilo
definition of
https://lod.nal.usda.gov/nalt/es/page/125152
NAL Agricultural Thesaurus: NALT: herbicidas uracilo
nalagriculturalthesaurusherbicidas