Occurrence and sources of triterpenoid methyl ethers and acetates in sediments of the cross-river system, southeast Nigeria
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Pentacyclic triterpenol methyl ethers (PTMEs), germanicol methyl ether (miliacin), 3-methoxyfern-9(11)-ene (arundoin), beta-amyrin methyl ether (iso-sawamilletin), and 3-methoxytaraxer-14-ene (sawamilletin or crusgallin) were characterized in surface sediments... ...
