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- ...<sup>−3</sup><ref>[http://www.chemnet.com/cas/supplier.cgi?terms=78-30-8&l=en&exact=dict&f=plist&mark=&submit.x=0&submit.y=0 Chemnet]</ref> ...uidechem.com/cas/78-30-8.html GuideChem]</ref><ref>[https://www.chembk.com/en/cas/78-30-8 Chembk]</ref> ...6 KB (809 vortoj) - 17:26, 20 mar. 2025