Pyronin Y 是一种嵌入阳离子染料，对 RNA 显示特异性。

L,L-二酪氨酸是许多生物材料（包括昆虫角质层弹性蛋白）的酸水解产物的成分。

Apelin biased agonist; exhibits bias for the G protein pathway. Stimulates endothelial NOS phosphorylation and expression, promotes proliferation, and attenuates apoptosis of human pulmonary arterial endothelial cells in vitro. Shows positive inotropic and vasodilatory effects in vivo and improves cardiac structure and function in a model of pulmonary arterial hypertension.