5-甲基水杨醛

2-羟基-5-甲基苯甲酮

(Chlorformyl)ameisensaeure-p-tolylester

2-(9-hydroxy-2,7-dimethyl-xanthen-9-yl)-benzenesulfonic acid

2-(4-Chlor-1,2,3-dithiazol-5-ylio)-(4-methylphenolat)