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6174-90-9 1-benzothiopyrylium,2-(4h-1-benzothiopyran-4-ylidenemethyl)-4-methyl-, perchlorate

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Product Name 1-Benzothiopyrylium,2-(4H-1-benzothiopyran-4-ylidenemethyl)-4-methyl-, perchlorate
CAS No. 6174-90-9
Molecular Formula C20H15S2・ClO4