Acid-catalysed intramolecular cyclization of geranyl hydroquinone derivatives from Cordia alliodora. X-Ray crystal and molecular structure of 1,2,3,3a,4,9,10,10a-octahydro-5,8-dimethoxy-3,10-dimethyl-3a,9-epoxybenz[f]azulene
1981 ◽
pp. 1849
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