    Sentence 1: Despite generic competition for  acne drug Accutane , flagship drug sales  rose 21 percent excluding exchange rate    swings and nine percent in francs to 10.31  billion.    Sentence 2: Flagship drug sales rose 21  percent excluding exchange rate swings and  nine percent in francs to 10.31 billion , while  diagnostics sales fell one percent in francs  to 3.57 billion.