上游原料
Benzocaine; ethyl 4-aminobenzoate2-chloro-6-methylphenylamine; 2-chloro-6-methylanilineethyl 2-amino-1,3-benzothiazole-6-carboxylateethyl 2-[(phenoxycarbonyl)amino]-1,3-benzothiazole-6-carboxylateethyl 2-{[(tert-butylamino)carbonyl]amino}-1,3-benzothiazole-6-carboxylate2-{[(tert-butylamino)carbonyl]amino}-1,3-benzothiazole-6-carboxylic acidN-(tert-butyl)-N'-{6-[(3H-[1,2,3]triazolo[4,5-b]pyridin-3-yloxy)carbonyl]-1,3-benzothiazol-2-yl}ureaBenzocaine; ethyl 4-aminobenzoate2-(3-methyl-4-oxo-1,3-thiazolidin-2-ylidene)acetyl chlorideethyl 2-amino-1,3-benzothiazole-6-carboxylateethyl 2-[(tert-butoxycarbonyl)amino]-1,3-benzothiazole-6-carboxylate2-[(tert-butoxycarbonyl)amino]-1,3-benzothiazole-6-carboxylic acidtert-butyl 6-(chlorocarbonyl)-1,3-benzothiazol-2-ylcarbamatetert-butyl 6-[(2-chloro-6-methylanilino)carbonyl]-1,3-benzothiazol-2-ylcarbamate2-amino-N-(2-chloro-6-methylphenyl)-1,3-benzothiazole-6-carboxamidephenyl 6-[(2-chloro-6-methylanilino)carbonyl]-1,3-benzothiazol-2-ylcarbamate
