14866-11-6 Dihydrohomofolic acid L-Glutamic acid, N-(4-((2-(2-amino-1,4,7,8-tetrahydro-4-oxo-6-pteridinyl)ethyl)amino)benzoyl)- N-(4-((2-(2-Amino-1,4,7,8-tetrahydro-4-oxo-6-pteridinyl)ethyl)amino)benzoyl)glutamic acid