[1]JournalofMedicinalChemistry,1992,vol.35,p.490-501
[2]Patent:US5114945,1992,A
[3]Patent:EP330461,A2 Patent:,1989,
1153759-48-8
1154974-94-3
1216183-26-4
21855-17-4
1022893-11-3
1154984-73-2