上游原料
2-amino-5-nitrobenzonitrileN-(Dimethoxymethyl)-N,N-dimethylamine;dimethylformamide dimethylacetal;1,1-dimethoxy-N,N-dimethylmethanamine； Dimethoxy-N,N-dimethylmethanamine; N,N-Dimethylformamide dimethyl acetalN'-(2-cyano-4-nitrophenyl)-N,N-dimethyliminoformamide(E)-N'-(4-amino-2-cyanophenyl)-N,N-dimethylformimidamide2-amino-2-methyl-1-propanol；Karl Fischer;2-Amino-2-methyl-propan-1-ol；2-amino-2-methyl-1-propanolDi(1H-imidazol-1-yl)methanethione; 1,1'-Thiocarbonyldiimidazole(E)-N'-(2-cyano-4-(3-(1-hydroxy-2-methylpropan-2-yl)thioureido)phenyl)-N,N-dimethylformimidamide4-([1,2,4]triazolo[1,5-a]pyridin-7-yloxy)-3-methylaniline1-(4-((4-([1,2,4]triazolo[1,5-a]pyridin-7-yloxy)-3-methylphenyl)amino)quinazolin-6-yl)-3-(1-hydroxy-2-methylpropan-2-yl)thiourea1-fluoro-2-methyl-4-nitrobenzene[1,2,4]triazolo[1,5-a]pyridin-7-ol7-(2-methyl-4-nitrophenoxy)-[1,2,4]triazolo[1,5-a]pyridine2-chloro-4-nitropyridine4-(benzyloxy)-2-chloropyridinehydrazine4-(benzyloxy)-2-hydrazinylpyridinetrimethoxymethane;Trimethyl orthoformate;Methyl orthoformate7-(benzyloxy)-[1,2,4]triazolo[1,5-a]pyridine[1,2,4]triazolo[1,5-a]pyridin-7-ol
