LG 50643 is a muscarinic antagonist. References: D'Agostino G, Renzetti AR, Zonta F, Subissi A. Selectivity of LG50643 for postjunctional muscarinic-receptor subtype in the guinea-pig trachea. J Pharm Pharmacol. 1994 May;46(5):332-6. PubMed PMID: 8083801.
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CAS：111372-42-0
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