New colchicinoids from a native Jordanian meadow saffron, colchicum brachyphyllum: isolation of the first naturally occurring dextrorotatory colchicinoid.
Alali FQ, El-Elimat T, Li C, Qandil A, Alkofahi A, Tawaha K, Burgess JP, Nakanishi Y, Kroll DJ, Navarro HA, Falkinham JO, Wani MC, Oberlies NH. New colchicinoids from a native Jordanian meadow saffron, colchicum brachyphyllum: isolation of the first naturally occurring dextrorotatory colchicinoid. J Nat Prod. 2005 Feb; 68(2):173-8.