Assertion: alkyl pyridine | /r/HasProperty | heikkilä
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Source sentences:
text: Overall, the environmental monitoring data centred on point source releases related to synthetic fuel production from shale oil or coal, coking operations for iron- and steel-works, or wood preservation using creosote, which is a coal condensate containing 4.4 – 8.2% by weight nitrogen-containing heteroaromatics including alkyl pyridines (Heikkilä 2001).