A regional court in Germany has dismissed a lawsuit brought by the three adult adopted children of 91-year-old retail magnate Erwin Müller, who owns a namesake drugstore chain with locations across Europe. A dispute over the children’s inheritance is at the centre of the legal fight. The regional court had set the value of the dispute at the statutory maximum of €30 million ($32.5 million), a spokeswoman said. The three children had tried to get out of a contract they had signed in which they had renounced their statutory share of the inheritance. They tried to persuade the Ulm Regional Court …