Sigma-Aldrich
THIOPHENE-2-CARBOXYLIC ACID (1-(2-ME-4-NITRO-PHENYLAMINO)-2-OXO-2-PH-ET)-AMIDE
THIOPHENE-2-CARBOXYLIC ACID (2-NITRO-BENZYLIDENE)-HYDRAZIDE
THIOPHENE-2-CARBOXYLIC ACID (2,2,2-TRICHLORO-1-HYDROXY-ETHYL)-AMIDE
THIOPHENE-2-CARBOXYLIC ACID (4-BROMO-PHENYL)-AMIDE
THIOPHENE-2-CARBOXYLIC ACID 4-(3-(4-METHOXY-PHENYL)-3-OXO-PROPENYL)-PHENYL ESTER
Thoriated tungsten
Tin