Affiliation: | 1. Department of Drug Design and Optimization, Merck Research Laboratories, 33 Avenue Louis Pasteur, Boston, MA 02115, USA;2. Department of Cancer Biology and Therapeutics, Merck Research Laboratories, 33 Avenue Louis Pasteur, Boston, MA 02115, USA;3. Department of Oncology Pharmacology, Merck Research Laboratories, 33 Avenue Louis Pasteur, Boston, MA 02115, USA |