Description: - A unique collection of 188 compounds targeting histaminergic receptor and melatonin receptor for high throughput screening (HTS) and high content screening (HCS) for new drugs;- Bioactivity and safety confirmed by pre-clinical research and clinical trials;- Detailed compound information with structure, target, activity, IC50 value, and biological activity description;- Structurally diverse, medicinally active, and cell permeable;- NMR and HPLC validated to ensure high purity and quality;