some of the chemical classes of compounds discussed include tthe sesquiterpene lactones , diterpenes of the phorbol and simaroubolide types , triterpenes of the withanolide and cucurbitacin types , lignans , monomeric and dimeric indole alkaloids , isoquinoline alkaloids , cephalotaxus alkaloids , camptothecin and the maytansinoids .
C0949738
indole alkaloids
C0002062
alkaloids