FR-A 19 is a Histamine H2 agonist which inhibits IgE-mediated human basophil histamine release in a nanomolar range. FR-A 19 has additional potent anti-allergic properties. References: Kleine-Tebbe J, Buschauer A, Friese A, Schunack W, Kunkel G. Modulation of IgE-mediated histamine release from human leukocytes by a new class of histamine H2-agonists. Agents Actions. 1992 Mar;35(3-4):185-91. PubMed PMID: 1382368.

纯度：≥98%

CAS：141099-46-9