TAWFEQ ABDULLAH S. HOWIRINY2022-06-022022-06-026407https://drepo.sdl.edu.sa/handle/20.500.14154/62706en-USPART I: ALKALOIDAL CONSTITUENTS OF SELECTED FRACTIONS OF THALICTRUM ANGUSTIFOLIUM L. AND THALICTRUM WANGII BOIVIN (RANUNCULACEAE). PART II: A REVISION OF THE STRUCTURE OF THALPRZEWALSKIINONE - THE SYNTHESIS OF 2-METHYL-6,7- DIMETHOXY-3- .....Thesis