Quantification of methyleugenol produced by metilation of the essential oil extracted from the Pimenta dioica Lindl - Mouchrek Filho, Victor Elias; Silva, Denise Domingos da; Chaar, Jamal da Silva; Galhiane, Mário Sérgio; Chierice, Gilberto Orivaldo (International Symposium on the Chemistry of Natural Products, 2000)