"carboxilic.txt"
"amide.txt"
"amido.txt"
"al.txt"
"formyl.txt"
"oxo.txt"
"amine.txt"
"chloro.txt"
"hydroxy.txt"
"bromo.txt"
"iodo.txt"
"nitril.txt"
"methyl.txt"
"ethyl.txt"
"propyl.txt"
"butyl.txt"
"pentyl.txt"
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