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18-Crown-6 CAS 17455-13-9It is the simplest crown ether that can be prepared by reacting triethylene glycol with triethylene glycol dichloride in the presence of potassium hydroxide as base.
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Magnesium chloride hexahydrate CAS 7791-18-6It is an inorganic salt that can be generated from the acid leach solution of magnesite tailings
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3-Amino-1-propanesulfonic acid CAS3687-18-1As the intermediate of soothing at acid alcohol poisoning