Nombre Formula condensada Formula desarrollada Formula semi desarrolladaEtino C2H2 H-C C-H CH CH
Propino C3H4 HH-C C-C-H H
CH C-CH3
Butino C4H6 H HH-C C-C-C-H H H
CH C-CH2-CH3
Pentino C5H8 H H HH-C C-C-C-C-H H H H
CH C-CH2-CH2CH3
Hexino C6H10 H H H HH-C C-C-C-C-C-H H H H H
CH C-CH2-CH2-CH2-CH3
Heptino C7H12 H H H H HH-C C-C-C-C-C-C-H H H H H H
CH C-CH2-CH2-CH2-CH2-CH3