Process for the obtaining of 1-adamantane decane) derivatives, or of a pharmaceutically acceptable salt thereof, based on a carboxylation reaction, via metallation, of a precursor compound with an adequate leaving group. The apparatus has an apertured rotating barrel which hold the garments or fabric. Also, a time period of storing the Nth piece of the user data is controlled to partially or entirely overlap with a time period of storing the th piece of the meta data. The sales server provides instructions to the first seller’s computer for fulfillment of the first sales order and to the second sales computer for the fulfillment of the second sales order. The calling number or network address associated with the client computer is used as a key to query a database to obtain the helpful information, which is preferably updated periodically by running a software application in the client computer. The drug-eluting medical device is implanted into the chronic total occlusion and elutes a drug that softens or dissolves the plaque of the occlusion over a period of time.