Crossword clue: any one of several metameric unsaturated hydrocarbons (c9h14) of the valylene series.
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Possible answers
Any one of several metameric unsaturated hydrocarbons (C9H14) of the valylene series.
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Similar clues
any one of a series of metameric, unsaturated hydrocarbons c9h18 of the ethylene series.
67% similar
→ nonylene