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From leaves of P. subscandens, harvested in Ishigaki Island, three iridoid glucoside diesters of 3,7-dimethyloctan-1,8-diol, named premnaodorosides D, E and F, and an iridoid glucoside diester of 3,7-dimethyloctan-2,6-dien-1,8-diol (premnaodoroside G) were isolated together with known congeners, premnaodorosides A, B and C. Their structures were determined by spectroscopic methods.
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