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139415-87-5 1,4,6,9-tetraoxa-5-germaspiro[4.4]nonane-2,7-dione,3,3,8,8-tetraphenyl-

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Product Name 1,4,6,9-Tetraoxa-5-germaspiro[4.4]nonane-2,7-dione,3,3,8,8-tetraphenyl-
CAS No. 139415-87-5
Molecular Formula C28H20GeO6