From time to time lately, and in the near future, users of SciFinder Scholar may have experienced or may be experiencing more frequent access problems. This is due to the fact that SciFinder's publisher is converting this resource to a Web-based version. There may be interruptions in access. Please feel free to report the problem, but the only remedy we can offer is the advice to try again later. We and the publisher appreciate your patience during the transition. Currently, we have no information on how soon access will become stable again.