349481-91-0
3,4-dibutyl-2-(trimethylsilyl)ethynylthiophene
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922166-66-3
3,4-dibutyl-2,5-bis[2-(3,4-dibutyl-5-iodothiophen-2-yl)ethynyl]thiophene
565186-13-2
3,4-dibutyl-2-ethynylthiophene