Abstract: Disclosed herein is a battery pack. The battery pack can include a plurality of battery cells, a pack case defining a housing configured to accommodate the battery cells, a first venting path extending across the pack case, and a second venting path extending along at least one peripheral side of the pack case. The first venting path can provide a conduit for a gas generated from any of the battery cells. The second venting path can be in fluid communication with the first venting path and an opening on the pack case such that the gas from the battery cells is configured to travel from the first venting path to the second venting path and to be discharged from the battery pack via the opening.

Abstract: The present disclosure provides: a compound of a specific chemical structure, having excellent activity with respect to BTK degradation; or a pharmaceutically acceptable salt thereof. The present disclosure also provides a composition comprising the compound or pharmaceutically acceptable salts thereof. The present disclosure also provides are pharmaceutical use for treating or preventing BTK-associated diseases (for example, autoimmune diseases or cancer) of the compound, the salt thereof, and the composition comprising same according to the present disclosure. The present disclosure also provides a method for treating or preventing BTK-associated diseases (for example, autoimmune diseases or cancer), comprising administering, to a subject requiring treatment, an effective amount of the compound, the salt thereof, or the composition comprising same according to the present disclosure.