cyclohepta-2,4,6-trienone, 2,4,6-CYCLOHEPTATRIEN-1-ONE, N-phenyl-2-azulenylmethylene, 2,4,6-cycloheptatrieneone, cycloheptatrienone, 2,4,6-cycloheptatrienone, 1-cyclohepta-2,4,6-trienone, EINECS 208-725-6, Tropone
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