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.
Ive got several contacts in Skype that are showing up as 'Pending Contact Request' as per the image below, some just have the place holder image as their profile picture, some actually still have a profile pic. I have spoken to all these people previously on skype so at one time i was a contact of theirs.