英文名称
2-[(2-amino-5-carbamoyloxy-3,4-dihydroxypentanoyl)amino]-2-[3,4-dihydroxy-5-[5-(hydroxymethyl)-2,4-dioxopyrimidin-1-yl]oxolan-2-yl]acetic acid;1-[2-[(2-amino-5-carbamoyloxy-3,4-dihydroxypentanoyl)amino]-2-[3,4-dihydroxy-5-[5-(hydroxymethyl)-2,4-dioxopyrimidin-1-yl]oxolan-2-yl]acetyl]-3-ethylideneazetidine-2-carboxylic acid;2-amino-2-[3,4-dihydroxy-5-[5-(hydroxymethyl)-2,4-dioxopyrimidin-1-yl]oxolan-2-yl]acetic acid