A new triterpenoid (1) has been isolated from the acetone extract of the leaves of Salvia carduacea, together with other compounds described previously. The structure of 1 [2alpha,3alpha-dihydroxy-24-nor-4(23),12-oleanadien-28-oic acid] was elucidated by spectroscopic methods, particularly by extensive 1D and 2D NMR studies.
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Ballesta-Acosta et al. (2002) studied this question.
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