???????? 5-METHOXY-BENZO[B]THIOPHENE-2-CARBOXYLIC ACID 6-METHOXY-BENZO[B]THIOPHENE-2-CARBOXYLIC ACID METHYL ESTER 5-hydroxybenzo[b]thiophene-2-carboxylic acid 7-CHLOROTHIENO[2,3-F][1,3]BENZODIOXOLE-6-CARBOXYLIC ACID 5-methoxy-1-benzothiophene 5-METHOXY-BENZO[B]THIOPHENE-2-CARBOXYLIC ACID METHYL ESTER 3-Chloro-6-methoxybenzo[b]thiophene-2-carboxylicacid 6-METHOXY-BENZO[B]THIOPHENE-2-CARBOXYLIC ACID 5-METHOXY-1-BENZOTHIOPHENE-2-CARBALDEHYDE 6-HYDROXY-BENZO[B]THIOPHENE-2-CARBOXYLIC ACID METHYL ESTER METHYL 7-CHLOROTHIENO[2,3-F][1,3]BENZODIOXOLE-6-CARBOXYLATE 6-METHOXY-1-BENZOTHIOPHENE-2-CARBALDEHYDE