上游原料
4,6-Dichloro-2-(methylthio)pyrimidine；4,6-dichloro-2-(methylsulfanyl)pyrimidine4,6-Dichloro-2-(methylsulfonyl)pyrimidine; 2-(Methylsulfonyl)-4,6-Dichloropyrimidine; NSC 45040N-(4-mercaptophenyl)cyclopropanecarboxamide 5-amino-3-methyl-1H-pyrazole 1-Methylpiperazine; 1-Methyl piperazine; N-Methylpiperazine
