N-NITROSOFOLICACID

N-Nitroso-N-pteroyl-L-glutamic acid

N-[4-[[(2-Amino-3,4-dihydro-4-oxopteridin-6-yl)methyl]amino]benzoyl]-N-nitroso-L-glutamic acid

N-[4-[[(2-Amino-1,4-dihydro-4-oxopteridin-6-yl)methyl]amino]benzoyl]-N-nitroso-L-glutamic acid