فهرس المقالات Stannous chloride حرية الوصول المقاله صفحة الملخص نص كامل 1 - Highly efficient one-pot four-component synthesis of polyhydroquinoline derivatives catalyzed by stannous chloride under solvent-free conditions Surekha Deshmukh Jitendra Gujar Ramrao Mane Murlidhar Shingare