1-羟基-5-磺酰基萘-2-重氮

1-羟基-4-磺酸基萘-2-重氮

2-diazo-1,2-dihydro-1-oxonaphthalene-5-sulphonyl chloride

3-重氮-4-氧-3,4-二氢-1-萘磺酰氯

1H-茚-3-羧酸