上游原料
Cyanoacetic acid ethyl ester; Ethyl 2-cyanoacetate; Ethyl cyanoacetate; Ethyl isocyanacetate3-(methylamino)-4-nitrobenzoic acid4-amino-3-(methylamino)benzoic acidethyl 3-ethoxy-3-iminopropanoate3-methoxy-4-nitrobenzoic acid；4-Nitro-3-methoxybenzoic acid2,2,2-trifluoro-N-methyl-N-(trimethylsilyl)acetamide3,4-dinitrobenzamide3,4-diaminobenzamideethyl 2-[5-(aminocarbonyl)-1H-benzimidazol-2-yl]acetate2-{[5-(aminocarbonyl)-1H-benzimidazol-2-yl]methyl}-1-methyl-1H-benzimidazole-6-carboxylic acid3-{bis[(trimethylsilyl)oxy]phosphoryl}alanineN-[(2-{[5-(aminocarbonyl)-1H-benzimidazol-2-yl]methyl}-1-methyl-1H-benzimidazol-6-yl)carbonyl]-3-{bis[(trimethylsilyl)oxy]phosphoryl}alanineDL-2-Amino-3-phosphonopropionic acid; 2-Amino-3-phosphonopropionic acid
