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Ethyl 4-(acetylamino)-3-amino-5-methylbenzoate

Ethyl 4-(acetylamino)-3-methyl-5-nitrobenzoate

Ethyl 4-(4-amino-3-nitrophenoxy)butanoate

Ethyl 4-(3,4-diamino-5-methylphenoxy)butanoate

Ethyl 4-(4-amino-3-methyl-5-nitrophenoxy)butanoate

Ethyl 4-[2-(acetylamino)-3-aminophenoxy]butanoate

Ethyl 4-[4-(acetylamino)-3-nitrophenoxy]butanoate

Ethyl 4-[2-(acetylamino)-3-nitrophenoxy]butanoate

Ethyl 4-[4-(acetylamino)-3-amino-5-methylphenoxy]butanoate

Methyl 2-[(4-amino-3-methyl-5-nitrophenoxy)methyl]benzoate