3',6'-bis[[2-(acetylamino)-2-deoxy-β-D-glucopyranosyl]oxy]-spiro[isobenzofuran-1(3H),9'-[9H]-xanthen]-3-one

2-(2,7-Dihydroxy-naphthoyl)-benzoesaeure

间苯二酚

1-bromo-2,7-bis(methoxymethoxy)naphthalene

2-(2,7-bis(methoxymethoxy)-1-naphthoyl)benzoic acid