I like that criteria, so you are saying ONLY those drugs that are actually approved for human testing, with a separation of "Approved for alcoholism" (with a reliable source naming at least one country where it is specifically approved for alcoholism, with proper notations on any other countries where it is in the trial stage), "under investigation" (with a reliable source stating that it is currently in human trials for Alcoholism).  Now do you still want an "experimental" section for drugs not approved for alcoholism, but approved for other treatments?