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 propanal 
2) ethan  1 2 propanoic acid
Cl , h  4
   aminopropanoic acid
 А 
2
Cu t , 0 2
3) ethanol    А 
 ethanoic acid
Cl , h  4
   aminothioate acid
 B 
2
2
 benzene 
4) ethinium  1  nitrobenzene
 3 4 tribromoaniline
 aniline 
 butanal
5) 1-butene  1 1-butanol  2
 3
butanoic acid A aminobutanoic acid
6) methane  1 2 benzene
ethyne 
 3 4 aniline
nitrobenzene 
7) benzene  1 nitrobenzene  2 aniline  3
N-acetanilide
8) calcium carbide  1 2 ethyl
ethyne 
3 4
 ethylamine
ethanol 
9) ethanol  1 2 cyanoten
chloroethane 
propylamine 
 3 4 A
ethanol
10) ethinium  1  2 3
 A 
brometoacetal  4 aminoethanic acid
11) Nitrobenzene  1 A  2 phenylammonium
chloride aniline 
 3 4 di-bromoaniline
12) Ethanol  1 bromoethane  2 cyanoten
3 4
 propanol
propylamine 
13) Nitrobenzene  1 aniline  2 N-acetanilide
 3 4 nitroaniline
A 
14) Ethyne  1 Ethene  2 Cyanoethane
 3 4 Sodium Propanoate
Propane Acid 
 Butylamine
15) Butane  1 Nitrobutane  2
Ethyl Butylamine 
 3 4 Nitrosetyl Butylamine