(2R,3S,4R,5S)-2-benzyloxymethyl-6-benzyloxycarbonyl-3,4-dihydroxy-1-oxa-6,8-diazaspiro[4,4]nonane-7,9-dione

2,3-O-异亚丙基-D-核糖酸 gamma-内酯

(3aR,6R,6aR)-6-[(Benzyloxy)methyl]-2,2-dimethyldihydrofuro[3,4-d] [1,3]dioxol-4(3aH)-one (non-preferred name)

[5S-(5α,7α,8β,9β)]-8,9-isopropylidenedioxy-7-[4-(methoxybenzyloxy)methyl]-6-oxa-2-thioxo-1,3-diazaspiro[4.4]nonan-4-one