Mechanism of Action. Ephedrine is a sympathomimetic amine - that is, its principal mechanism of action relies on its direct and indirect actions on the adrenergic receptor system, which is part of the sympathetic nervous system.
up vote 1 down vote. Pending request-It means that the person has just removed you from their Skype contact list but hasn't blocked you. You can however send them messages to them but can't call them. The person can call you if they want. You can send friend request again, if they removed you from contact list by mistake.
How Long is the âPatent Pendingâ Status? Patent applications filed in the United States typically have âpatent pendingâ for 1 to 3 years. However, it is not uncommon for some patent applications (e.g. software and electronic applications) to have patent pending status for 3 to 5+ years.