3-chloronaphthalene-2-carbaldehyde

2-amino-4-oxo-1H-pyrido[2,3-d]pyrimidine-6-carbaldehyde

2,4-diaminopyrido[2,3-d]pyrimidine-6-carbaldehyde

Methyl 2-chloro-6-nitrobenzoate

furo[3,2-b]quinoxaline-3-carboxylic acid