W-7是一种选择性钙调蛋白拮抗剂，可抑制Ca²⁺-钙调蛋白依赖性磷酸二酯酶和肌球蛋白轻链激酶，并具有诱导凋亡、抗癌、血管舒张及阻滞Kv4.3通道的多种活性，可用于癌症与心律失常研究。

[1] Asano M. Divergent pharmacological effects of three calmodulin antagonists, N-(6-aminohexyl)-5-chloro-1-naphthalenesulfonamide (W-7), chlorpromazine and calmidazolium, on isometric tension development and myosin light chain phosphorylation in intact bovine tracheal smooth muscle. J Pharmacol Exp Ther. 1989 Nov;251(2):764-73. PMID: 2810127.[2]Itoh H, Hidaka H. Direct interaction of calmodulin antagonists with Ca2+/calmodulin-dependent cyclic nucleotide phosphodiesterase. J Biochem. 1984 Dec;96(6):1721-6. doi: 10.1093/oxfordjournals.jbchem.a135004. PMID: 6099352.