| http://www.w3.org/ns/prov#value | - The carbon atom in position 1 is preferably saturated.Examples of alkylene are methylene, ethylene, propylene, trimethylene, tetramethylene, pentamethylene, 2,2-dimethyltrimethylene, hexamethylene, trimethylhexamethylene, octa-methylene and decamethylene.Examples of alkenylene are butenylene, pentenylene and hexenylene.C6-C12 arylene is preferably phenylene.Alkyl interrupted by 0 is for example ??
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