TY - GENERIC DO - 10.20944/preprints202305.1621.v1 UR - http://dx.doi.org/10.20944/preprints202305.1621.v1 TI - Heteroaromatization of Coumarin Part I: Design, Synthesis, Re-Actions, Antitumor Activities of Novel of Chromen-3-Yl-Pyridine and Chromen-3-Yl-Naphthyridine Derivatives T2 - Preprints AU - Abdelwahab, Ashraf hassan fekry PY - 2023 DA - 2023/05/23 PB - Preprints