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Tert-butyl 4-(3-methylureido)benzoate

Tert-butyl 4-((1h-imidazol-2-yl)amino)benzoate

Ethyl 2-benzyl-4-(benzyloxy)-3-oxobutanoate

Ethyl 4-((methoxycarbonyl)amino)benzimidate

Tert-butyl 2-(4-((methoxycarbonyl)amino)benzoyl)hydrazine-1-carboxylate

2-(4-((Methoxycarbonyl)amino)benzamido)-3-(1-methoxycyclopropyl)propanoic acid

Methyl 2-(4-((methoxycarbonyl)amino)benzamido)-3-(1-methoxycyclopropyl)propanoate

Tert-butyl 6’-chloro-2’-oxo-2’,3’-dihydro-1’h-spiro[pyrrolidine-3,4’-quinazoline]-1-carboxylate

Tert-butyl 2’-oxo-2’,3’-dihydro-1’h-spiro[pyrrolidine-3,4’-quinazoline]-1-carboxylate

Spiro[pyrrolidine-3,4’(1’h)-quinazolin]-2’(3’h)-one