[1]Patent:DE2016809,1970, Chem.Abstr.,1971,vol.74
[1]Arzneimittel-Forschung/DrugResearch,1983,vol.33,p.621-627
17601-75-1
62077-27-4
26829-77-6
87-60-5
5307-03-9
6259-42-3