1. Osarumwense, P.O., M.O. Edema and O. Usifoh, 2018. Synthesis and anti-inflammatory activity of 4(3H)-quinazolinone and its 2-methyl and 2-phenyl-4 (3H)-quinazolinone derivatives. IOSR J. Applied Chem., 11: 12-15.
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2. Osarumwense, P.O., 2018. Analgesic activity of newly synthesized 7-chloro-2-methyl-4H-benzo [d][1,3]-oxazin-4-one and 3-amino-7-chloro-2-methyl-quinazolin-4(3H)-one. Ovidius Univ. Ann. Chem., 29: 25-28.
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3. Osarumwense, P.O., O. Iyekowa and T.F. Ediagbonya, 2017. Synthesis and antimicrobial activity of azine and substituted 2,4,6-trimethoxyl azine. Niger. J. Sci., 35: 159-163.
4. Osarumwense, P.O., M.O. Edema, O. Usifoh and E. Marvis, 2017. Synthesis of 3-substituted-6, 8-dibromo-2-methyl quinazolin-4(3H)-one derivatives via 6, 8-dibromo-2-methyl-4h-benzo [D] [1,3]-oxazin-4-one. Int. J. Scient. Technol. Res., 6: 292-294.
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5. Osarumwense, P.O., 2017. Synthesis and antimicrobial activity of azine and 3, 4, 5-trimethoxy substituted azine. Sci. Afr., 16: 172-178.
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6. Osarumwense, P.O., 2017. Synthesis and analgesic activity of 3-amino-6-bromo-2-methyl quinazolin-4(3H)-one and 6-bromo-2-methyl-4H-benzo[D] [1,3]-oxazin-4-one. Cont. J. Applied Sci., 12: 29-41.
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7. Osarumwense, P.O., 2017. Anti-inflammatory activity of methanoilc and ethanolic extracts of Citrus sinensis peel (L) Osbeck on Carrageenan induced Paw Oedema in Wistar rats. J. Applied Sci. Environ. Manage., 21: 1223-1225.
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8. Osarumwense, P.O. and O. Iyekowa, 2017. Synthesis and antibacterial activity of 7-chloro-2-methyl-4H-benzo[d][1,3]-oxazin-4-one and 3-amino-7-chloro-2-methyl quinazolin-4(3H)-one. Trop. J. Nat. Prod. Res., 1: 173-175.
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9. Iyekowa, O., M.O. Edema, O.S. Imade, P.O. Osarumwense and O. Igbinuwen, 2016. GC-MS analysis and in vivo antimalarial chemotherapeutic activity of oil isolated from Euphorbia hirta (Cat's hair) L. J. Chem. Soc. Niger., 41: 77-80.
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10. Peter, O.O. and O.O. Lucky, 2015. Design, synthesis and bioassay of novel metal complexes of 3-amino-6,8-dibromo-2-methyl quinazolin-4(3H)-one. Pharmaceut. Chem. J., 48: 718-721.
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11. Osarumwense, P.O., L.O. Okunrobo and E.G. Uwumarongie-Ilori, 2013. Phytochemical screening, proximate and elemental analysis of Citrus sinensis peels (L.) Osbeck. J. Applied Sci. Environ. Manage., 17: 47-50.
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12. Osarumwense, P.O. and L.O. Okunrobo, 2013. Phytochemical screening and the antimicrobial properties of Acalypha hispida Burm. F. (Euphorbiaceae). Afr. J. Pharmaceut. Res. Dev., 5: 36-39.
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13. Ediagbonya, T.F., A.E. Tobin, E.E. Olumese, U.E. Asagba, I.E. Uwidia and O.P. Osarumwensee, 2013. Spatial distribution of respirable and inhalable particulate matter concentration in sawmills of South-South region of Nigeria. Environ. Skeptics Critics, 2: 63-72.
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14. Lucky, O.O., U.O. John, I.E. Kate, O.O. Peter and O.E. Jude, 2012. Quantitative determination, metal analysis and antiulcer evaluation of methanol seeds extract of Citrullus lanatus Thunb (Cucurbitaceae) in rats. Asian Pac. J. Trop. Biomed., 2: S1261-S1265.
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15. Osarumwense, P.O., L.O. Okunrobo and K.E. Imafidon, 2011. Phytochemical composition of Citrus sinensis (L.) Osbeck and its larvicidal and antimicrobial activities. Cont. J. Pharmaceut. Sci., 5: 15-19.
16. Edema, M.O., C.U. Edema, P.I. Imasuen and P.O. Osarumwense, 2010. Preliminary profile of some heavy metals in bottom sediments of Ethiope and Benin Rivers Delta State, Nigeria. Int. J. Adv. Sci. Technol., 2: 86-92.
17. Edema, M.O. and O.P. Osarumwense, 2007. Preliminary studies on the phytochemical and pharmacological screening of Alchornea cordifolia. Niger. J. Chem. Res., 12: 51-57.
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