methyl 2,4,7,8,9--penta--O--acetyl-5--tert-butyloxycarbonylamino--3,5--dideoxy--D--glycero--α,β--D-galaco-2--nonulsopyranosonate

methyl 3,5--dideoxy--D--glycero--α,β--D--galaco--2--nonulsopyranosonate amino glycoside

7-hydroxy-4-methyl-2-oxo-2H-1-benzopyran tetrabutylammonium salt