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173681-24-8 methanone, (3,4-dimethylthieno[2,3-b]thiophene-2,5-diyl)bis[phenyl-

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Product Name Methanone, (3,4-dimethylthieno[2,3-b]thiophene-2,5-diyl)bis[phenyl-
CAS No. 173681-24-8
Molecular Formula C22H16O2S2