but-1-ene; but-2-ene

Tert-butyl (1R, 4S)-3-oxo-2-azabic...   

p-Nitrobenzyl (4R,5S,6S)-3-(diphen... 

N-(2-methyl-2-propyl)-3-oxo-4-aza-...   

(R)-2-iodo-3-(iodomethyl)but-1-ene 

(4R,5S,6S)-3-(diphenyl-oxy)phospho...   

(1R,4S)-N-Boc-1-Aminocyclopent-2-e... 

(1R,4S)-N-Fmoc-1-Aminocyclopent-2-... 

(1S,4R)-N-Fmoc-1-Aminocyclopent-2-... 

(4R,5S,6S)-3-(diphenyl-oxy)phospho...   

(4R,5S,6S)-3-(diphenyl- oxy)phosph...   

1,14-Dimethyl-4,10-dioxatetracyclo... 

(E)-1-Chlorobut-2-ene 

(E)-1,4-Dibromobut-2-ene 

(6R,7R)-7-Amino-8-oxo-3-(1-propeny... 

(5R,6S)-6-[(1R)-1-[[(1,1-Dimethyle... 

(5R,6S)-4-Nitrobenzyl-3-[(2-aminoe... 

(R)-3-(2-hydroxy-3-(pyrrolidine-1-... 

7-Amino-3-methyl-8-oxo-5-thia-1-az... 

7-Amino-8-oxo-3-vinyl-5-thia-1-aza... 

7-(tert-butoxycarbonyl)-1-oxa-2,7-... 

(1S,2S,3R,6S)-6-Amino-4-(hydroxyme... 

1,2-Dichlorooctafluorocyclohex-1-e... 

1,2-Dichlorohexafluorocyclopent-1-... 

1,4-Dibromohexafluorobut-2-ene 

2-Chloro-3,3,3-trifluoroprop-1-ene 

2-Chloro-1,1,1,4,4,4-hexafluorobut... 

1-Bromo-2-(trifluoromethyl)-3,3,3-... 

6-Bromo-1,1,2-trifluorohex-1-ene 

4-Bromo-1,1,2-trifluorobut-1-ene 

2,3-(4'-Aminobenzo)-1,4,7,10,13-pe... 

3,4-Bis(1-methylhydrazino)cyclobut... 

Tert-Butyl 3-(4,4,5,5-tetramethyl-... 

but-2-ene-1,4-diol 

3,4-Diaminocyclobut-3-ene-1,2-dion... 

1-Chloro-3-methyl-but-2-ene 

1-Chlorobut-2-ene 

1-Azabicyclo[2.2.2]oct-2-ene-3-car... 

Tert-Butyl2-azabicyclo[2.2.1]hept-... 

(S,Z)-5-Amino-2-(dibenzylamino)-1,... 

(1R,5S)-tert-butyl 3-(trifluoromet... 

(E)-tert-butyl but-2-ene-1,4-diyld... 

bicyclo[2.2.1]hept-5-ene-2-carbald... 

(1R,3R,4S)-ethyl 3-aminobicyclo[2.... 

1-Azabicyclo[2.2.2]oct-2-ene-3-car... 

(R,E)-Deca-2-ene-4,6-diyn-1,8-diol... 

p-Menth-8-ene-1,2-diol  

5-Thia-1-azabicyclo[4.2.0]oct-2-en... 

2-Chloro-3,3-diethoxyprop-1-ene 

3-Chlorobicyclo[3.2.1]oct-2-ene 

4-chloro-2-methylbut-1-ene