上游原料
1-(tert-butyl) 2-methyl (2R,4S)-4-hydroxypiperidine-1,2-dicarboxylate1-(tert-butyl) 2-methyl (2R,4S)-4-((methylsulfonyl)oxy)piperidine-1,2-dicarboxylate1-tert-butyl-2-methyl (2R,4R)-4-azidopiperidine-1,2-dicarboxylate1-tert-butyl 2-methyl-(2R,4R)-4-aminopiperidine-1,2-dicarboxylate4-cyanophenyl isocyanate1-(tert-butyl) 2-methyl (2R,4R)-4-(3-(4-cyanophenyl)ureido)piperidine-1,2-dicarboxylate(2R,4R)-1-(tert-butoxycarbonyl)-4-(3-(4-cyanophenyl)ureido)piperidine-2-carboxylic acid2-Aminophenylamine; o-Phenylenediamine; 1,2-Benzenediaminetert-butyl (2R,4R)-2-((2-aminophenyl)carbamoyl)-4-(3-(4-cyanophenyl)ureido)piperidine-1-carboxylate2-Aminophenylamine; o-Phenylenediamine; 1,2-Benzenediamine1-tosyl-1H-benzo[d]imidazole4-methoxy-1-methylpyridin-1-ium trifluoromethanesulfonate4-Methoxypyridine(R)-2-(4-methoxy-1-methyl-1,2-dihydropyridin-2-yl)-1-tosyl-1H-benzo[d]imidazole(R)-1-methyl-2-(1-tosyl-1H-benzo[d]imidazol-2-yl)-2,3-dihydropyridin-4(1H)-one(R)-1-methyl-2-(1-tosyl-1H-benzo[d]imidazol-2-yl)piperidin-4-one(R)-1-methyl-2-(1-tosyl-1H-benzo[d]imidazol-2-yl)piperidin-4-one dihydrochloride(2R,4R)-2-(1H-benzo[d]imidazol-2-yl)-1-methylpiperidin-4-aminetert-butyl 2-((2R,4R)-4-((tert-butoxycarbonyl)amino)-1-methylpiperidin-2-yl)-1H-benzo[d]imidazole-1-carboxylatetert-butyl ((2R,4R)-2-(1H-benzo[d]imidazol-2-yl)-1-methylpiperidin-4-yl)carbamate(2R,4R)-2-(1H-benzo[d]imidazol-2-yl)-1-methylpiperidin-4-amine tris(4-methylbenzenesulfonate)N-(4-cyanophenyl)-1Himidazole-1-carboxamide imidazole salt4-Aminobenzonitrile1,1'-Carbonyldiimidazole; Di(1H-imidazol-1-yl)methanone; N,N-Carbonyldiimidazole; 1,1'-Carbonylbis(1H-imidazole)