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    • Phytotoxic withanolides from Jaborosa rotacea 

      Nicotra, Viviana E.; Ramacciotti, Natalia S.; Gil, Roberto R.; Oberti, Juan C.; Feresin, Gabriela E.; Guerrero, Cecilia A.; Baggio, Ricardo; Garland, María Teresa; Burton, Gerardo (AMER CHEMICAL SOC, 2006-05-26)
      Twelve new withanolides were isolated from the aerial part of Jaborosa rotacea: five had a spiranoid delta-lactone ( 1- 5); one contained a 26,12-delta-lactone and a C-12-C-23 bond ( 6); five corresponded to trechonolide-type ...