Composition #1: Maia, JGS., Zoghbi, MDB., Andrade, EHA., da Silva, MHL., Luz, AIR., da Silva, JD. Essential oils composition of Eupatorium species growing wild in the Amazon. BIOCHEMICAL SYSTEMATICS AND ECOLOGY, 2002, vol. 30, no. 11, p. 1071–1077. DOI: 10.1016/S0305-1978(02)00059-5.
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