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methonium
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methonium
methonium Pharm. (mɪˈθəʊnɪəm) [f. meth- + -onium.] Any of various polymethylene bistrimethylammonium cations, [(CH3)3N(CH2)xN(CH3)3]2+ (where x is an integer), or salts of these ions, some of which are used as ganglionic blocking agents in the treatment of hypertension.[1949: cf. decamethonium, hexa...
Oxford English Dictionary
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decamethonium
decamethonium Pharm. (ˌdɛkəmɪˈθəʊnɪəm) [f. deca- + methonium.] A quaternary ammonium cation, [(CH3)3N(CH2)10N(CH3)3]++; also, the bromide or iodide salt of this, used as a muscle relaxant.1949 G. Organe in Lancet 7 May 774/2 Decamethonium iodide (C 10) is a stable, neutral, non-irritant muscle relax...
Oxford English Dictionary
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Eleanor Zaimis
She was the recipient of the 1959 Gairdner Foundation International Award for study of methonium compounds and other pharmacology contributions. Her outstanding worked (with William Paton) was on methonium compounds and synthesized the remaining members of what is referred to as the methonium series
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suxamethonium
suxamethonium Pharm. (ˌsʌksəmɪˈθəʊnɪəm) [f. sux- + methonium.] = succinylcholine. Also suxamethonium bromide, suxamethonium chloride, suxamethonium iodide.1953 J. H. Gaddum Pharmacology (ed. 4) xi. 230 Suxamethonium iodide..also causes brief neuromuscular block. 1963 [see decamethonium]. 1977 Lancet...
Oxford English Dictionary
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Helium hydride ion
In a variant of that technique, the exotic species like the methonium cation are produced by reacting organic compounds with the that is produced by the
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Onium ion
Sometimes called methonium, but methonium also has multiple definitions.
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pentolinium
pentolinium Pharm. (pɛntəʊˈlɪnɪəm) [f. pent(amethylene (s.v. penta-) + pyrrolidine + -ium b.] A white, crystalline powder which has been used as a ganglion-blocking agent in the treatment of severe hypertension; pentamethylenebis(1-methyl-pyrrolidinium hydrogen tartrate), C23H42N2O2; also called pen...
Oxford English Dictionary
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Alison Gurney
One of Gurney's papers, "The channel-blocking action of methonium compounds on rat submandibular ganglion cells" was recognised in "Landmarks in Pharmacology
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Neuromuscular-blocking drug
suxamethonium, and decamethonium
Suxamethonium was synthesised by connecting two acetylcholine molecules and has the same number of heavy atoms between methonium Just like acetylcholine, succinylcholine, decamethonium and other polymethylene chains, of the appropriate length and with two methonium, heads have small
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