The chemical Milrinone has a designated molecular formula of C12H9N3O and a molecular weight of 211.224 g/mol. Synonyms may include: BRN 3546821, CCRIS 3795, 1,6-Dihydro-2-methyl-6-oxo(3,4'-bipyridine)-5-carbonitrile, EINECS 278-903-6, Milrinona [Spanish], Milrinonum [Latin], YM 018, Milrinona, Milrinonum, UNII-JU9YAX04C7 (ChemID). Milrinone has been assigned a MeSH pharmacological action of: Phosphodiesterase 3 Inhibitor, Platelet Aggregation Inhibitor.