棕榈酰乙醇酰胺 (PEA) 是一种内源性脂肪酸酰胺，在体外选择性激活 PPAR-α (EC50=3.1±0.4 μM)。

Dalcotidine (KU 1257) is a novel histamine H2 receptor antagonist with histamine H9 receptor antagonistic activity and antisecretory effects.The Ki value for binding to guinea pig cerebral cortex was 0.040 The KB value for antagonism of histamine-induced positive chronotropic responses in the right atrium of isolate guinea pigs was 0.041.Dalcotidine improves the quality of ulcer healing, and may contribute to a reduction in ulcer recurrence and relapse rates.

Ebrotidine 是一种竞争性 H2 受体拮抗剂，Ki 为 127.5 nM。 Ebrotidine 具有有效的抗分泌活性和明显的胃保护作用。