CJCU
Syntheses and Properties of Some New Spirochelate 1,3,2-Benzodihetero (S,O) Borole 2-β-Diketonates
Shan Zixing, Zhao Dejie, Huang Guoping, Zhang Guomin, Tan Zhongjia, Wu Xuanjie
Chem. J. Chinese Universities . 1988, (5): 456 -460 .