I. Dom stoucfural fr mulas of Strucfural H alkanı e 2 me thy! 2,3- dimethyl a methy! 3 methyl cyclo hexene 2 bromo bufene - |- butene - 2- - 2- hexene 5) 2: pantene 2 O3 hexyne in 5 ethyl ,5mothyl hoxyne 4,4 di bromo oofyne 5 Bromo q 6 Iedo heptyne

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