1,2,3-苯三甲酸

2-oxalobenzene-1,3-dicarboxylic acid

1,8-萘酚醛酸

N-苄基甘氨酸乙酯

ethyl 3'-benzyl-2-oxo-2H-spiro[acenaphthylene-1,5'-oxazolidine]-4'-carboxylate