MTOR Inhibitor, WYE-28. A selective, picomolar-potent mTOR inhibitor, Synonyms:-4-(6-{4-[3-(4-Hydroxymethyl-phenyl)-ureido]-phenyl}-4-morpholin-4-yl-pyrazolo[3,4-d]pyrimidin-1-yl)-piperidine-1-carboxylic acid methyl ester, CAS Number:-1062172-60-4, Purity:-G98% by HPLC, 1mg.