NOP受体激动剂。

S-Y048 is an Oxoeicosanoid (OXE) receptor antagonist that inhibits allergen-induced eosinophil infiltration into the skin of experimentally sensitized rhesus monkeys to house dust mites and inhibits lung inflammation caused by aerosolized allergen challenge. S-Y048 can be used to study asthma and other eosinophilic diseases.

乳酸是一种有机酸。它是一种手性分子，由两种光学异构体L-乳酸和D-乳酸组成，其中L-异构体在生物体中最常见。乳酸也是一种微生物代谢产物。