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This paper describes the secondary metabolites produced by a cell suspension culture of Solanum incanum L. The investigation led to the characterization of five triterpenes, glut-5(6)-en-3β-ol (1), lupeol (2), betulin (3), betulinic acid (4) and betulinaldehyde (5). Their structures were determined on the basis of spectral analysis. Of these, betulinic acid, a potent anti-HIV agent, was found to be a major product. Glut-5(6)-en-3β-ol was a rare natural product.

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