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n. A very large class of naturally occurring and synthetic organic compounds formally derived from the hydrocarbon isoprene; they include many volatile compounds used in perfume and food flavours, turpentine, the steroids, the carotene pigments and rubber.

"Camptotheca acuminata is a major natural source of the terpenoid indole alkaloid camptothecin (CPT)."

tetraterpenoid    hemiterpenoid    triterpenoid    sesquiterpenoid    diterpenoid