Monoterpenoids from Schizonepeta tenuifolia A new monoterpenoid glycoside from roots of Zanthoxylum simulans Chemical constituents from whole plants of Valeriana hardwickii Studies on chemical constituents of rhizomes of Ligusticum chuanxiong A new monoterpenoid indole alkaloid from Winchia calophylla Monoterpenoids from whole plants of Carpesium macrocephalum A new monoterpenoid isolated from flowers of Xanthoceras sorbifolia Studies on chemical constituents of aerial parts of Ammopiptanthus mongolicus Chemical constituents from rhizomes of Paeonia sinjiangensis