Hydroxy Adapalene;Adapalene Hydroxy;Adapalene Impurity 2(Adapalene EP Impurity B);6-[3-(3-hydroxy-1-adamantyl)-4-methoxyphenyl]naphthalene-2-carboxylic acid;Adapalene Impurity 2;6-[3-(3-Hydroxytricyclo[3.3.1.13,7]dec-1-yl)-4-methoxyphenyl]-2-naphthalenecarboxylic Acid;ADAP-IMD;Adapalene EP Impurity B