Raleigh's LipoScience will pay two executives a combined $2.6 million in golden parachutes in connection to the company's sale to LabCorp. Burlington-based Laboratory Corporation of America (NYSE: LH) agreed to acquire LipoScience(Nasdaq: LPDX), on Sept. 24. Both are health diagnostics companies, though LabCorb, with $5.8 billion in revenue, is much larger than LipoScience. LabCorp agreed to buy LipoScience shares for $5.25 each, a deal value of $85 million. As of June 30, LipoScience had $48 million…