biblio
CRC handbook of terpenoids: triterpenoids volume I: acyclic, monocyclic, bicyclic, tricyclic, and tetracyclic terpenoids, vol. 1. CRC Press, Inc., 2018, pp. 1-573.
, CRC handbook of terpenoids: triterpenoids: Volume ii: pentacyclic and hexacyclic triterpenoids, vol. 2. CRC Press, 2018, pp. 1-624.
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