Medchem Overview Medchem is a Python library from datamol-io for molecular filtering and prioritization in drug discovery. Apply literature-derived drug-likeness rules, named alert catalogs, complexity thresholds, chemical-group detection, and a custom query language to triage compound libraries at scale. Filters are context-specific guidelines — combine with domain expertise and target knowledge. Verified runtime: medchem 2.1.1 , datamol 0.13.0 , RDKit 2026.3.6 ; Python 3.11+ . and structural classes return pandas DataFrames. Filters run locally; installation and documentation lookup need ne…