a) CH3-C(CH3)2-CH-CH2-CH3
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CH2
|
CH3
b) CH3-CH(CH3)-CH(CH3)-CH-CH2-CH3
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CH2
|
CH3 CH3
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CH2
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c) CH3-CH2-C-CH(CH3)-CH2-CH2-CH3
|
CH2
|
CH3
d) CH3-CH2-C(CH3)2-CH-CH2-CH2-CH3
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H3C-CH-CH3
e) CH3-CH(CH3)-C(CH3)-CH(CH3)-CH-CH2-CH2-CH3
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H3C-C-CH3 CH2
|
CH3
f) CH3-CH(CH3)-CH2-CH(CH3)-CH2-CH(CH3)-CH3
g) CH3-CH2-CH-CH2-CH2-CH3
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H3C-CH-CH3
h) CH3-C(CH3)2-C(CH3)2-CH2-C(CH3)2-CH2-CH-CH2-CH2-CH3
|
H3C-CH-CH3
i) CH3-C(CH3)2-C(CH3)2-CH-CH2-CH2-CH3
|
CH2
|
CH3
Unde am pus (CH3) ii legi in sus sau in jos...