Nitrosomorpholine,

?L-Norvaline,

L-Norvaline,arginase inhibitor

Nifedipine,>=98% (HPLC), powder

4-Nitrophenol solution,10 mM

4-Nitrophenyl a-L-rhamnopyranoside,powder

1-Naphthyl butyrate,esterase substrate

Nuclear Fast Red,

B-Nicotinamide adenine dinucleotide phosphate sodium salt,pkg of 5 mg (per vial)

4-Nitrophenyl acetate,esterase substrate

4-Nitrophenyl acetate,esterase substrate

4-Nitrophenyl acetate,esterase substrate