英文名称
methyl 2-[[[(2S,5R)-3-azido-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methoxy-(4-methylphenoxy)phosphoryl]amino]propanoate;methyl 2-[[[(2S,5R)-5-(5-methyl-2,4-dioxopyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy-(4-methylphenoxy)phosphoryl]amino]propanoate