As a fat loss agent, Ephedrine is perhaps on par with Clen in popularity and is perhaps even more commonly known than Clenbuterol. Ephedrine as a compound and medication has been known to man for thousands of years, and is considered a very old medicine.
Sale pending means that there is a transaction that is going through Escrow but that has not closed yet. Translation it is too late to put in an offer now. If it falls out of escrow and the seller decides if he wants to put it back on the market then you can put in your offer.
Under contract option pending means the sellers have accepted a contract with a termination option for the buyer. The standard residential purchase contract contains a termination option for the buyer to allow them to conduct their inspections and gives the buyer the right to terminate for any reason during the contract defined option period.