The molecular formula C18H21NO3 (molar mass : 299.36 g/mol) may refer to:
The molecular formula C18H21NO3 (molar mass : 299.36 g/mol) may refer to: Codeine Erythravine Heterocodeine Hydrocodone Isocodeine Metopon Pseudocodeine
Category:Molecular formulas
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).