(R)-Nicardipine is the less active R enantiomer of Nicardipine. Nicardipine is a blocker of calcium channel(IC50 of 1 μM for blocking cardiac calcium channels).

AE0047 Hydrochloride is a blocker of calcium, and used in the research of the hypertensive disease.

Imperatoxin A，源自非洲蝎Pandinus imperator毒液的一种肽毒素，作为Ca2+-释放通道/兰尼碱受体（RyRs）的激活剂，促进Ca2+从肌浆网流入细胞。

(S)-Lercanidipine hydrochloride is the S-enantiomer of Lercanidipine hydrochloride. (S)-lercanidipine hydrochloride is a potent blocker of calcium channel.

Vindorosine has blood vessel relaxation effect, possible underlying mechanisms involving the inhibition of Ca(2+) entry via L-type Ca(2+) channels in vascular smooth muscles.

(-)-Praeruptorin A has anti-inflammatory, anti-contractile and anti-hyperplasia activities, it exerts distinct relaxant effects on isolated rat aorta rings dependent on endothelium and nitric oxide synthesis;it also can significantly suppress airway inflammation and airway remodeling induced by ovalbumin challenge, and is a potential candidate for the treatment of asthma. (-)-Praeruptorin A resensitizes Pgp-mediated MDR (Pgp-MDR) cancer cells to cancer drugs.