PT - JOURNAL ARTICLE AU - H. M. Lee AU - K. K. Chen TI - THE OCCURRENCE OF <em>nor</em>-EPINEPHRINE IN THE CHINESE TOAD VENOM DP - 1951 Aug 01 TA - Journal of Pharmacology and Experimental Therapeutics PG - 286--290 VI - 102 IP - 4 4099 - http://jpet.aspetjournals.org/content/102/4/286.short 4100 - http://jpet.aspetjournals.org/content/102/4/286.full SO - J Pharmacol Exp Ther1951 Aug 01; 102 AB - By paper chromatography, and response of the cat's blood pressure and nictitating membrane, l-nor-epinephrine has been found in a sample of l-epinephrine isolated from Ch`an Su, a commercial form of Chinese toad poison. It occurs in the quantity of approximately 2 to 4 per cent estimated as l-nor-epinephrine bitartrate.