Name: ethyl 4-(2,2-dimethyl-4-trifluoromethanesulfonyloxy-(2H)-thio-chromen-6-ylethynyl)-benzoate

SMILES: CCOC(=O)c1ccc(C#Cc2ccc3c(c2)C(OS(=O)(=O)C(F)(F)F)=CC(C)(C)S3)cc1

Molecular formula: C23H19F3O5S2

Molecular weight: 496.06