4-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)butanehydrazide trifluoroacetate

2-(1H-Benzotriazole-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate

2-Nitro-4-bromo-5-fluorobenzoic acid

2,4-Dichloro-5-picoline

2',5'-Difluoroacetophenone

2,5-Difluoro-4-methoxyphenylboronic acid