The molecular formula C18H21NO4 (molar mass: 315.36 g/mol) may refer to:
The molecular formula C18H21NO4 (molar mass: 315.36 g/mol) may refer to: Codeine-N-oxide Homolycorine 14-Methoxydihydromorphinone 14-Hydroxycodeine Oxycodone 2C2-NBOMe
Category:Molecular formulas
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).