[1]Pospisek,Jan;Blaha,Karel[CollectionofCzechoslovakChemicalCommunications,1987,vol.52,#2,p.514-521]
[2]Pospisek,Jan;Blaha,Karel[CollectionofCzechoslovakChemicalCommunications,1987,vol.52,#2,p.514-521]
[1]Patent:WO2018/136401,2018,A1.Locationinpatent:Paragraph0445