Galih Satrio Putra and Anita Puspa Widiyana and Luthfi Ahmad Muchlashi and Melanny Ika Sulistyowati and Juni Ekowati and Tutuk Budiati (2017) The Influence of Ratio Pyridine and Triethylamine Catalysts on Synthesis 2-Phenyl-Benzo [D][1, 3] Oxazine-4-On Derivatives. Journal of Chemical and Pharmaceutical Research, 9 (8). pp. 73-80. ISSN 0975-7384