上游原料
5-Chloro-2-pyridinylamine; 5-Chloro-2-pyridinamine; 2-Amino-5-chloropyridine4-methyl-1-piperazinecarbonyl chloride6-(5-chloro-2-pyridinyl)-7-hydroxy-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-onefuro[3,4-b]pyrazine-5,7-dione3-[[(5-chloro-2-pyridinyl)amino]carbonyl]-2-pyrazinecarboxylic acid6-(5-chloro-2-pyridinyl)-5H-pyrrolo[3,4-b]pyrazine-5,7(6H)-dione
