different between tetraene vs tetracene

English

From tetra- +? -ene

tetraene (plural tetraenes)

(organic chemistry, especially in combination) Any compound having four carbon-carbon double bonds

tetra- +? acene

tetracene (countable and uncountable, plural tetracenes)

(organic chemistry) A polycyclic aromatic hydrocarbon; the acene containing four fused rings, isomeric with tetraphene; any derivative of this compound.

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