`{:(" "CH_(2)CH_(2)C(CH_(3))_(3)),(" "|),((CH_(3))_(2)CHC-CHCH=CH_(2 )),(" "||),(" "CH_(2)):}`
`{:(" "CH_(2)CH_(2)C(CH_(3))_(3)),(" "|),((CH_(3))_(2)CHC-CHCH=CH_(2 )),(" "||),(" "CH_(2)):}`
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