参考文献

Kang, Young-Jin; Chung, Hyun-A; Kweon, Deok-Heon; Cho, Su-Dong; Lee, Sang-Gyeong; Kim, Sung-Kyu; Yoon, Yong-Jin Journal of Heterocyclic Chemistry, 1998 , vol. 35, # 3 p. 595 - 600