أرسل هذا في رسالة قصيرة: SYNTHESIS OF 4-ARYL SUBSTITUTED CANTHIN-6-ONE WITH β-CARBOLINE SKELETON VIA PICTET-SPENGLER CONDENSATION AND CYCLIZATION REACTION; [Sintesis 4-Aril Gantian Kantin-6-One dengan Rangka β-Karbolina Melalui Kondensasi Pictet-Spengler dan Tindak Balas Kitaran]