上游原料
1-Methylpiperazine; 1-Methyl piperazine; N-Methylpiperazine2,4-difluoro-1-nitrobenzeneethyl 2-amino-5-methyl-3-thiophenecarboxylateethyl 2-(5-fluoro-2-nitroanilino)-5-methyl-3-thiophenecarboxylateethyl 2-(2-amino-5-fluoroanilino)-5-methyl-3-thiophenecarboxylate7-fluoro-2-methyl-5,10-dihydro-4H-thieno[2,3-b][1,5]benzodiazepin-4-one
