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The leaves of Capsicum annuum L. were extracted with 80% aqueous MeOH, and the concentrated extract was partitioned successively with EtOAc, n-BuOH, and H2O. Three acyclic diterpenoids were isolated from the EtOAc fraction through repeated silica gel column chromatography. The physico-chemical and spectroscopic analyses including NMR, EI-MS, and IR indicated that the three compounds correspond to...
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