Structure of inflexinol, a new cytotoxic diterpene from Rabdosia inflexa

Structure of inflexinol, a new cytotoxic diterpene from Rabdosia inflexa Excisanin H, a Novel Cytotoxic 14,20-Epoxy-<i>ent</i>-Kaurene Diterpenoid, and Three New <i>e</i><i>nt</i>-Kaurene Diterpenoids from <i>Rabdosia</i> <i>e</i><i>xcisa</i> <i>ent</i>-Kaurane Diterpenoids from <i>Isodon scoparius</i> New 7,20:14,20-Diepoxy ent-Kauranoids from Isodon xerophilus Nervosanin a and b and ent-kauranoids from Isodon nervosus Cytotoxic 3,20-Epoxy-<i>e</i><i>nt</i>-Kaurane Diterpenoids from <i>Isodon </i><i>e</i><i>riocalyx</i> var. <i>l</i><i>axiflora</i> Cytotoxic Diterpenoids from Isodon megathyrsus Cytotoxic <i>ent</i>-Kaurane Diterpenoids from <i>Isodon rubescens</i> var. <i>lushiensis</i> Flexiosine, a New C20-Diterpene Alkaloid from Roots of Delphinium flexuosum Cytotoxic Constituents of <i>Isodon </i><i>r</i><i>ubescens</i> var. <i>l</i><i>ushiensis</i>