The molecular formula C21H25ClN2O3 (molar mass: 388.89 g/mol) may refer to:
The molecular formula C21H25ClN2O3 (molar mass: 388.89 g/mol) may refer to: Bepotastine Cetirizine (brand name Zyrtec) Levocetirizine (brand name Xyzal)
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).