YN320361 Emedastine 87233-61-2

Emedastine is a potent, high affinity histamine H1-receptor-selective antagonist with Ki of 1.3 ±0.1 nM for H1-receptors while considerably weaker at H2- (K1 = 49,067 ± 11,113 nM) and H3-receptors (Ki = 12,430 ± 1,282 nM).

YN321448 Roxatidine Acetate Hydrochl... 93793-83-0

Roxatidine Acetate HCl is a specific and competitive histamin H2-receptor antagonist, with IC50 of 3.2 μM, inhibits gastric acid secretion and ulcer formation.

YN321449 Nizatidine 76963-41-2

Nizatidine is a histamine H2 receptor antagonist with IC50 of 0.9 nM, also inhibits AChE with IC50 of 6.7 μM.