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Designate whether each of the following compounds is aromatic or not aromatic.

1. a, b, c, d aromatic and e, f, g, h not aromatic
2. e, g aromatic and a, b, c, d, f, h not aromatic
3. a c, d, e, h aromatic and b, f, g not aromatic
4. b, e, f, g aromatic and a, c, d, h not aromatic

Correct answer: a c, d, e, h aromatic and b, f, g not aromatic

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