2-methyl-hexa-1,3t-diene

1-Isopropenyl-3-propyliden-4-methylcyclopenten

4-methyl-3-(3-methylpentylidene)-1-(prop-1-en-2-yl)cyclopent-1-ene

异戊烷

N,N-diethyl-4-methylpent-3-en-1-yn-1-amine