\(C{H_3} - C{H_2} - \mathop {\mathop {\mathop {\mathop {{C^ * }}\limits_{|\,\,\,\,\,} }\limits_{Cl} }\limits^{|\,\,\,\,\,} }\limits^{H\,\,\,\,} - D\); \(C{H_3} - \mathop {\mathop {{C^ * }}\limits_{|\,\,\,\,}^{|\,\,\,\,} }\limits_{D\,\,}^{H\,\,} - C{H_2} - C{H_2} - Cl\)
\(C{H_3} - \mathop {\mathop {{C^ * }}\limits_{|\,\,\,\,}^{|\,\,\,\,} }\limits_{Cl\,\,}^{H\,\,} - C{H_2}D\)