This leading pharmaceutical stock is flying under the radar right now.Eli Lilly (LLY 0.21%) is hogging the headlines as its market capitalization marches toward $1 trillion. But even as the market continues to evaluate the growing demand for anti-obesity drugs and bids up businesses in the weight-loss space, it could be ignoring other businesses in the pharma industry. As a result, quite a few pharmaceutical stocks are currently flying under the market's radar, and investors could be looking at solid opport ...