formamide formic acid carboximidic acid formimidic acid imidoformic acid [H]C(O)=N CHEBI:48431 InChI=1S/CH3NO/c2-1-3/h1H,(H2,2,3) chebi_ontology Reaxys:1918433 ZHNUHDYFZUAESO-UHFFFAOYSA-N 45.04066 CH3NO PMID:16331898 45.02146 A carboximidic acid that is formic acid in which the carbonyl oxygen is replaced by an imino group. Beilstein:1918433 0 one-carbon compound