1'-Acetonaphthone
1,3-Propane Sultone
1,4-Bis(2-hydroxyethoxy)-2-butyne
1,4-Butane Sultone
1-(2-Hydroxy-3-sulfopropyl)-pyridinium Betane
1-Diethylamino-2-propyne
15-Crown-5
18-Crown-6
1H-Benzotriazole
2-Chlorobenzaldehyde
2-Mercaptobenzimidazole
2-Mercaptopyridine