CB1R Allosteric modulator 4 is an effective and positive modulator of cannabinoid type-1 (CB1R), exhibiting significant biological activity. This compound inhibits the production of cAMP and demonstrates strong β-arrestin-2 recruitment [1].
(R)-(4′-Hydroxy)-5,7-dihydroxy-4-chromanone, an antiangiogenic homoisoflavonoid, exhibits activity against human retinal microvascular endothelial cells.