EINECS 238-391-7;1,1'-[ethane-1,2-diylbis(oxymethylene)]dipyridinium dichloride;Pyridinium,1,1'-(1,2-ethanediylbis(oxymethylene))bis-,dichloride;1,1'-(Ethylenebis(oxymethylene))dipyridinium dichloride;
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