3-氨基-苯噻吩-2-羧酸

3-hydroxy-benzo[b]thiophene-2-carboxylic acid

4-methyl-benzo[4,5]thieno[3,2-b]pyran-2-one

2-(甲基硫代)苯甲酸

1-(2-thiocyanato-phenyl)-ethanone