List of Articles Pinched-cone interconversion Open Access Article Abstract Page Full-Text 1 - Theoretical and Conformational Study of Pinched-cone Interconversion in monosubstituted tri-methylsilyle ethynyl Derivative of Calix[4]arene Saeed Taghavaei-Gangali Saeed Taghvaei-Gangali shahram moradi Kambiz Tahvildari