2-(3-acetoxy-2-chloro-5-(2,2-dicyanovinyl)-7,8-dihydro-6H-xanthen-9-yl)benzoic acid

2-(2-chloro-5-(2-cyano-3-ethoxy-3-oxoprop-1-enyl)-3-hydroxy-7,8-dihydro-6H-xanthen-9-yl)benzoic acid

2-(2-(9-(2-carboxyphenyl)-7-chloro-6-hydroxy-2,3-dihydro-1H-xanthen-4-yl)vinyl)-1,3,3-trimethyl-3H-indol-1-ium iodide

2-(7-chloro-6-hydroxy-2,3-dihydro-1H-xanthen-9-yl)benzoic acid