乙酸酐 、
N3-(p-methoxybenzyl)-thymin-1-ylacetyl fluoride 、
N-(4,4'-dimethoxytrityl)-ethanolamine 、 alkaline earth salt of/the/ methylsulfuric acid 生成 N-acetyl-N-(acetamidoethyl)glycine 、 ((2-Acetylamino-ethyl)-{2-[3-(4-methoxy-benzyl)-5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl]-acetyl}-amino)-acetic acid