当归酸是一元羧酸不饱和有机酸。当归酸酯是草药的活性成分，用于治疗各种健康问题，包括疼痛、发烧、痛风、胃灼热等。

Potent and selective bradykinin B1 receptor antagonist (pA2 = 8.49). Displays no activity at B2 receptors. Reduces mechanical hypernociception in a mouse model of neuropathic pain. Metabolically stable.

丙二酸二乙酯天然存在于葡萄和草莓中。