Where there is Adapalene

Where there is Adapalene? For many people this is a strange object, and here's the introduction to it:

Adapalene, a chemical used in white or white powder, is an alias. Chemical name of 6 - [3 - (1 - king kong alkyl) - 4 - methoxy phenyl] - 2 - naphthalene formate, formula for C28H28O3, molecular weight of 412.52000, does not dissolve in water or ethanol, slightly soluble in tetrahydrofuran. Adapalin is used for dermatology and is clinically applicable to the skin treatment of common acne with acne, pimples and pustules. It can also be used to treat acne in the face, chest and back.