diethyl N-<4-amino>ethyl>-N-methylamino>benzoyl>-L-glutamate 生成 tetrasodium;(2S)-2-[[4-[2-[(2-amino-6-methyl-4-oxo-1H-pyrimidin-5-yl)-[[1-[(2R,4S,5R)-4-hydroxy-5-(phosphonatooxymethyl)oxolan-2-yl]-2,4-dioxopyrimidin-5-yl]methyl]amino]ethyl-methylamino]benzoyl]amino]pentanedioate