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81190-11-6 pyrrolidinium,1-[2-(2-oxo-2h-1-benzopyran-3-yl)-7h-1-benzopyran-7-ylidene]-,perchlorate

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Product Name Pyrrolidinium,1-[2-(2-oxo-2H-1-benzopyran-3-yl)-7H-1-benzopyran-7-ylidene]-,perchlorate
CAS No. 81190-11-6
Molecular Formula C22H18NO3・ClO4