Selective ASIC1a inhibitor (IC50 values are 192 and 72 nM for human ASIC1a and ASIC1a/1b dimer, respectively). Binds to closed/inactive channel. Selective for ASIC1a over ASIC2a, ASIC3, TRPV1, P2X2, 5-HT3, Nav1.8, Cav3.2 and Kv1.2 channels. Increases latency of withdrawal response in mouse tail-flick and paw-flick tests. Analgesic.

一种新型、强效、选择性的晚钠电流 (late INa) 抑制剂，用于治疗长 QT-3 综合征 (LQT-3)。

Allocryptopine，是一种从 Macleaya cordata 中提取的延胡索乙素的衍生物。Allocryptopine 具有抗心律失常作用，能有效阻断 hERG 电流。