THIOPHENE-2-CARBOXYLIC ACID (2-BROMO-BENZYLIDENE)-HYDRAZIDE

THIOPHENE-2-CARBOXYLIC ACID (2-OXO-2-PHENYL-ETHYL)-AMIDE

THIOPHENE-2-CARBOXYLIC ACID (2,2,2-TRICHLORO-1-O-TOLYLAMINO-ETHYL)-AMIDE

THIOPHENE-2-CARBOXYLIC ACID (2,5-DIMETHOXY-BENZYLIDENE)-HYDRAZIDE

THIOPHENE-2-CARBOXYLIC ACID (5-NITRO-FURAN-2-YLMETHYLENE)-HYDRAZIDE

THIOPHENE-2-CARBOXYLIC ACID N'-((4-CL-3,5-DIMETHYL-PHENOXY)-ACETYL)-HYDRAZIDE

THIOXANTHEN-9-ONE-10,10-DIOXIDE

Three-way adapter, 75° angle

Tin

Tin

Tin

Tin

Tin

Tin

Tin-lead alloy, Sn60Pb40