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were extracted with petrol and 20g of this extract wassubjected to column chromatography over Si-gel using petrol and EtOAc as eluents. The petrol fractiongave a mixture of two compounds that were separated using TLC preparative development repeatedlywith n-hexane:benzene (1:1). Cycloartan-3s-(2-methyl butanoate) [1] and a new cycloeucalen derivativewere obtained and purified by several times of recrystallization with CHCl

Cycloeucalen-3ß-(2-methyl Butanoate). New Cycloeucalen Isolated from the Espeletia barclayana Cuatr (Asteraceae)