D-半乳糖烯

(-)-(1R,4R,5R)-7,8-Dioxabicyclo[3.2.1]oct-3-en-2-yl acetate

isolevoglucosenone

1,6-脱水-2,3-二脱氧-beta-d-erythro-2-己烯并吡喃

phenyl 4,6-di-O-acetyl-2,3-dideoxy-α/β-D-erythro-hex-2-enopyranoside