[1]Lippetal.[JustusLiebigsAnnalenderChemie,1958,vol.618,p.110,112,116]
[2]CurrentPatentAssignee:C.H.BoehringerSohnAG&Co.KG-US2013/143870,2013,A1Locationinpatent:Paragraph0544;0545
1145-01-3
149739-32-2
154258-82-9
3347-62-4
149739-61-7
474707-70-5