Certain substituted sulfonamide derivatives of Formula selectively modulate the cardiac sarcomere, for example by potentiating cardiac myosin, and are useful in the treatment of systolic heart failure including congestive heart failure. For each tile, the bounding volume hierarchy is traversed. The line of separating portions can include perforations having a ratio of perforation length to space between perforations between a ratio of 4 to 6 and a ratio of 9 to 1. The upper areas of the first semiconductor layers and the whole areas of the second semiconductor layers are doped with impurity, thus forming impurity diffusion layers respectively serving as a source and a drain. The mobile terminal in accordance with the present invention can change color and odor according to requirements of users of different mobile terminals and environmental changes, thus it has very distinct personalization and is easy to operate.