4-methyl-piperazine-1-carboxylic acid 2-(7-methoxy-[1,8]naphthyridin-2-yl)-3-oxo-2,3-dihydro-1H-isoindol-1-yl ester

Ethyl-β-ethoxy-α-(N-(6-amino-2-pyridyl)-carbamoyl)-acrylat

乙酸酐

2,6-二氨基吡啶