106044-01-3

L-Glutamic acid,N-[4-[[[2-[[(dimethylamino)methylene]amino]-8-[[[1-[(1,1-dimethylethoxy)carbonyl]-3-(methylthio)propyl]amino]carbonyl]-1,4,5,6,7,8-hexahydro-5-methyl-4-oxo-6-pteridinyl]methyl]amino]benzoyl]-, dibutyl ester