[1
]Pfizer Worldwide Research & Development, Cambridge, Massachusetts 02139, United
States
[2
]Pfizer Worldwide Research & Development, Groton, Connecticut 06340, United States
[3
]Chemistry
and Biochemistry, University of California, Santa Cruz, California 95064,
United States
[4
]Department
of Pharmaceutical Chemistry, University of California, San Francisco, California
94158, United States
[5
]Circle Pharma, South San Francisco, California 94080, United States