[1] Bal-Tembe S, et al. HL 752: a potent and long-acting antispasmodic agent. Bioorg Med Chem. 1997 Jul;5(7):1381-7. DOI:
10.1016/s0968-0896(97)00067-9[2] Punekar NS, et al. Acetylcholinesterase inhibition by pitofenone: a spasmolytic compound. Biotechnol Appl Biochem. 1991 Dec;14(3):378-82. PMID:1777122