甲醛

Lactulose

4-methylumbelliferyl(5-acetamido-3,5-dideoxy-D-glycero-α-D-galactonon-2-ulopyranosylonic acid)-(2->6)-β-D-galactopyranoside

4-methylumbelliferyl(5-acetamido-3,5-dideoxy-D-glycero-α-D-galactonon-2-ulopyranosylonic acid)-(2->3)-β-D-galactopyranoside