Medicinal chemistry filters. Apply drug-likeness rules (Lipinski, Veber), PAINS filters, structural alerts, complexity metrics, for compound prioritization and library filtering.

药物化学过滤器。应用类药性规则（如Lipinski、Veber规则）、PAINS过滤器、结构警报和复杂性指标，用于化合物优先级排序和库筛选。