3,5,5-триметил-3-этилоктан

Структурная формула углеводорода ....................СН3.....CH3.................... .....................|.............|......................... CH3-CH2-C-CH2-C-CH2-CH2-CH3 .....................|.............|......................... ....................СН2......CH3................... .....................|..................................... ....................СН3...............................