含内环化A<sub>a</sub>-B<sub>b</sub>,C<sub>c</sub>缩聚反应的溶胶－凝胶分配

Sol-Gel Distribution of A_a-B_b,C_c Polycondensation with Intramolecular Cyclization

BA Xin-Wu, PAN Shou-Fu

Chem. J. Chinese Universities . 1994, (6): 925 -927 .