Organic compounds and organic electroluminescence devices employing the same are provided. The organic compound has a chemical structure represented as follows: wherein R are each independently an hydrogen, or a C1-8 alkyl group, and wherein R1 and R2 are each independently an hydrogen, or a C1-8 alkyl group, R3 is a hydrogen, and R1 and R2 are not hydrogen group simultaneously; or wherein R1 and R2 link together with the carbon atoms bonded thereto to form a phenyl group; wherein R2 and R3 link together with the carbon atoms bonded thereto to form a phenyl group.