MESO-1,3_4,6-DI-O-BENZYLIDENEGALACTITOL DIBENZOATE

[4-[5-acetyloxy-2-(2-nitrophenyl)-1,3-dioxan-4-yl]-2-(2-nitrophenyl)-1,3-dioxan-5-yl] acetate

琥珀酸

醋酸

甲酸