| abstract |
Disclosed herein are a novel 5-membered heterocycle derivatives represented by Formula I, a tautomer, pharmaceutically approved salts thereof, prodrug of this compound, or pharmaceutically use. Accordingly this prevent invention, a novel 5-membered heterocycle derivatives, a tautomer, pharmaceutically approved salt, or prodrug show antitumoral activity. Thus, this compounds are useful in the treatment of tumor. |