CH3-CH2-CH2-CH2-CH2-CH2-CH3 - н-гептан.2-МетилгексанH3C–CH(CH3)–CH2–CH2–CH2–CH3.H3C–C(CH3)2–CH2–CH2–CH3.2,3-ДиметилпентанH3C–CH(CH3) – CH(CH3)–CH2–CH3.H3C–CH(CH3)–CH2–CH(CH3)–CH3.3,3-Диметилпентан
CH3-CH2-CH2-CH2-CH2-CH2-CH3
CH3-CH2-CH2-CH2-CH2-CH2-CH3 - н-гептан.2-МетилгексанH3C–CH(CH3)–CH2–CH2–CH2–CH3.H3C–C(CH3)2–CH2–CH2–CH3.2,3-ДиметилпентанH3C–CH(CH3) – CH(CH3)–CH2–CH3.H3C–CH(CH3)–CH2–CH(CH3)–CH3.3,3-Диметилпентан
CH3-CH2-CH2-CH2-CH2-CH2-CH3