Almeida, A.S., Guedes de Pinho, P., Remião, F. and Fernandes, C. 2026. Chiral separation of methylone and pentedrone and synthesis of key metabolites: toward a comprehensive understanding of synthetic cathinone toxicity. Scientific Letters. 1, Sup 1 (May 2026). DOI:https://doi.org/10.48797/sl.2026.409.