https://www.nodc.noaa.gov/archive/arc0081/0138279/1.1/?C=M;O=D
Index of /archive/arc0081/0138279/1.1
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https://pubchem.ncbi.nlm.nih.gov/patent/EP-0138279-B1
File - Patent EP-0138279-B1 - PubChem
EP-0138279-B1 chemical patent summary.
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