Pfizer Inc. wasn't shy about talking specifics with regard to synergy in its merger with Array Biopharma Inc., for which the pharma giant has agreed to pay $48 per share in cash – a 62% premium to Friday's closing price of $29.59 – in a deal with an enterprise value of about $11.4 billion. The boards of both companies have approved the merger, expected to finish in the second half of this year.