Abstract
| - The CHCl3−MeOH extract of Cydoniavulgaris Pers. (Rosaceae) was shown to contain fournew sesterterpene esters, namely24,25-O-diacetylvulgaroside (1),25-O-acetylvulgaroside (2),24-O-acetyl-25-O-cinnamoylvulgaroside(3), and 25-O-cinnamoylvulgaroside(4). The structureelucidation of these compounds was accomplished using homonuclear andheteronuclear 2D-NMR experiments and FABMS.
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