[1] Whitehead Institute for Biomedical Research,Department of Biology
[2] Cambridge,undefined
[3] Massachusetts,undefined
[4] USA.,undefined
[5] Oncology Medicinal Chemistry,undefined
[6] Janssen Research and Development,undefined
[7] Centyrex,undefined
[8] Janssen Research and Development,undefined
[9] LLC,undefined
[10] Massachusetts Institute of Technology,undefined
[11] Cambridge,undefined
[12] Massachusetts,undefined
[13] USA.,undefined
[14] Present address: Bio-Organic Chemistry,undefined
[15] Stratingh Institute for Chemistry,undefined
[16] University of Groningen,undefined
[17] Groningen,undefined
[18] the Netherlands.,undefined