Author's Organization：Department of Chemistry, National Cheng Kung University Department of Chemistry, National Cheng Kung University Department of Chemistry, National Cheng Kung University
Published: August 15, 1998Received: February 12, 1998Available on J-STAGE: March 31, 2008Accepted: May 08, 1998
Advance online publication: -
Revised: -
Seven denitroaristolochic acids, incuding four new compounds, sodium aristofolin-A, aristofolin-B-D and three known compounds, aristofolin-A, aristolic acid and methyl aristolate were isolated from the leaves of Aristolochia cucurbitifolia. Their structures were determined by spectroscopic methods.
