The molecular formula C2H2O (molar mass: 42.04 g/mol, exact mass: 42.0106 u) may refer to:
The molecular formula C2H2O (molar mass: 42.04 g/mol, exact mass: 42.0106 u) may refer to: Ethenone, or ketene Ethynol, or hydroxylacetylene Oxirene
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).