[1]JournalofMedicinalChemistry,1991,vol.34,p.1155-1161
[2]Patent:US4920120,1990,A
[3]Patent:US6333431,2001,B1
[1]Patent:US5480879,1996,A
[1]CurrentPatentAssignee:PFIZERINC-US4920120,1990,A
93107-30-3
94695-52-0
2264-33-7
70032-17-6
127199-00-2
127371-54-4