1. The substance refers to a pharmaceutical component, which is composed of a common formula compound (1) plus a solvent and a viscous agent, and includes the use as a drug, especially for the treatment and prevention of papillomavirus infection, Requirement 1: medical composition, which includes a composition of general form (1) or one of their drug acceptable sales, in: G1 mean a continue or a hydrocarbon, linear or branched, saturated or unsaturated, consisting of 1-4 carbon atoms,A represents an arilo group, such as phenyl, which can be selectively replaced by: at the target position or a halogen atom or cyanogen, alcoxi, haloxy, acrylonitrile or XRX, X represents - O -.- yes.-So...-So832222-o-co and R represent a group of arilalquilo, cycloquilo or arilo, each of which can be replaced by one or two alternatives. The same or different atoms, such as halogen atoms, alcoxi or acilo atoms; or cyclopropyl, arilo or arilalquilo groups, each of which can optionally be replaced by one or two identical or different substitutes, such as an ACIO or alcoxi group; and / or by a tar group orthogonal or target group; B for an arilo group, 1. Preferably a phenyl, substituted by a heterocyclic, preferably a n-propylpropyl, such as a piperidin-1-ilo group, and optionally substituted by a group of tar such as methyl;N is an integer between 1 and 4, preferably between 1 and 2, preferably 1; R 1 represents an alcoxi group, such as metoxi, preferably in an orthogonal position relative to R3;2. R2 is a hydrogen or halogen atom, such as chlorine or bromine, or a group of tar, such as methyl, preferably in the target position relative to R3;R3 is a group of acids or esters, preferably acids, plus solvents and viscous agents. 8. Claim 8: the pharmaceutical composition conforming to claim 7, which is characterized in that, in terms of the total weight of the pharmaceutical composition, it includes: 0.01-10%,In particular, 2-8%, preferably about 5% by weight (1);0.05-10%Especially 0.5% to