Bui Dinh Nhi, Minh Thi Thao, Vu Dinh Ngo, Vu Duc Cuong, Renat Maratovich Akhmadullin, Tatjana Juzsakova, Le Phuoc Cuong. Synthesis of antioxidant for natural rubber using new heterogeneous catalytic system. Chemical Papers. https://doi.org/10.1007/s11696-019-00851-5