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1
meth (stem), methyl (alkyl)
2
eth (stem), ethyl (alkyl)
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prop (stem), propyl (alkyl)
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but (stem), butyl (alkyl)
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pent (stem), pentyl (alkyl)
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hex (stem), hexyl (alkyl)
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hept (stem), heptyl (alkyl)
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oct (stem), octyl (alkyl)
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non (stem), nonyl (alkyl)
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dec (stem), decyl (alkyl)
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undec (stem), undecyl (alkyl)
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dodec (stem), dodecyl (alkyl)