Alcaftadine-D3 (R89674-D3) is a deuterated form of Alcaftadine. Alcaftadine (HY-17039) is a H1 histamine receptor antagonist. References: [1]. Namdar, R. and C. Valdez, Alcaftadine: a topical antihistamine for use in allergic conjunctivitis. Drugs Today (Barc), 2011. 47(12): p. 883-90.

纯度：≥98%

CAS：1794775-80-6