pyridine
dimethylaminoacetonitrile
2-methylpyridine
methylpyrazine
a methylpyrimidine
2,6-dimethylpyridine
3-methylpyridine
dimethyl- or ethylthiazole- or -isothiazole (2 isomers)
4-methylpyridine
2-ethylpyridine
dimethyl- or ethylpyrazine or -pyrimidine (3 isomers)
trimethyl-, ethylmethyl-, or propylpyridine (20 isomers)
2,5-dimethylpyridine
2,4-dimethylpyridine
2,3-dimethylpyridine
3-ethylpyridine
2-vinylpyridine
4-ethylpyridine
a trimethyl- or methylethylthiazole or -isothiazole
trimethyl or methylpyrazine or -pyrimidine (4 isomers)
butyl-, methylpropyl-, diethyl-, ethyldimethyl-, or tetramethylpyridine (33 isomers)
3,5-dimethylpyridinepropyl-, methyl-, or trimethylpyrazole or imidazole (15 isomers)
3-vynilpyridine
3,4-dimethylpyridine
methylvynil- or propenylpyridine, or azaindan (15 isomers)
butyl-, methylpropyl-, diethyl-, dimethyl-, or tetramethylpyrimidine or -pyrazine (5 isomers)
alkylpyridine with five or more carbon atoms in saturated side chain(s) (45 isomers)
butyl-, methylpropyl-, diethyl-, dimethylethyl-, or tetramethylpyrazole or -imidazole (16 isomers)
3-methoxypyridine
2-acetylpyridine
N-furfurylpyrrolidine (?)
a methylmethoxypyridine
benzaldehyde
4-methylthio-2-butanone (?)
methylacetylpyridine (4 isomers)
1-methylimidazole
furfuryl alcohol
ethylvinyl-, dimethyl-, methylpropenyl-, or butenylpyridine, or methylazaindan or tertahydronaphthalene (35 isomers)
ethyl-, or dimethylpyrazole or imidazole (5 isomers)
benzoxazole
3-acetylpyridine
methylamino- or aminomethylpyridine (15 isomers)
pyridine with five carbons in sidechains including double bond, or forming one ring (41 isomers)
a methylfurfurylpyrrolidine (?)
2-propionylpyridine
4-acetylpyridine
dimethyl- or ethylacetylpyridine (2 isomers)
2-aminopyridine
alkylpyrazole or -imidazole with five or more carbon atoms in saturated side chain(s) (42 isomers)
methylamino- or aminomethylpyrazine or -pyrimidine or diaminopyridine (4 isomers)
aminoethyl-, ethylamino-,aminodimethylamino-, or methylaminomethylpyridine (13 isomers)
divinylpyridine, azadihydronaphthalene or methylazaindene (2 isomers)
quinoline
nicotine
diazanaphthalene (2 isomers)
a methyloxyaminopyridine (?)
isoquinoline
indazole or pyrrolopyridine (3 isomers)
aminoethyl-, ethylamino-, aminodimethyldimethylamino-, or methylaminomethylpyrazine or -pyrimidine or methyldiaminopyridine (5 isomers)
8-methylquinoline
2-methylquinoline
7-methylquinoline
4-methylquinoline
other methylquinolines and -isoquinolines (10 isomers; 14 in all)
methylindazole, -benzinidazole, or -pyrrolopyridine (12 isomers)
pyridine with five or more carbon atoms in side chaines including two double bonds or containing one ring and one double bond (11 isomers)
2-tert-butylphenol
2,4-dimethyl- or ethylquinolines or -isoquinolines (19 isomers; 20 in all methyldiazanaphthalene (3 isomers)
dimethyl-, or ethylindazole, benzimidazole, or pyrrolopyridine (23 isomers)
aminopyridine with three carbon atoms in saturated side chain(s) (8 isomers)
an aminopyrazine or -pyrimidine with threecarbon atoms in saturated side chain(s) or a dimethyl- or ethyldiaminopyridine
vinylquinoline or phenylpyridine (3 isomers)
methylvinylquinoline or methylphenylpyridine (6 isomers)
2-pyridinecarboxamide
aminopyridine with four carbon atoms in saturated side chain(s) (3 isomers)
an azaindanone (?)
a methylpyridinecarboxamide
methylpyrrolopyrimidine or -pyrazine (?) (2-isomers)
a dimethyl- or ethylpyrrolopyrimidine or -pyrazine (?)
propyl-, methylethyl-, or trimethylquinoline or -isoquinoline (4 isomers)
quinoline or isoquinoline with four or more carbon atoms in saturated side chain(s) (2 compounds)

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