Arai, Shigeru; Sakurai, Takuya; Asakura, Hitomi; Fuma, Shin-Ya; Shioiri, Takayuki; Aoyama, Toyohiko
Heterocycles, 2001 , vol. 55, # 12 p. 2283 - 2287

Gupta, K. A.; Saxena, Anil K.; Jain, Padam C.; Dua, P. R.; Prasad, C. R.; Anand, Nitya
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1983 , vol. <B> 22, # 8 p. 789 - 794

Arai, Shigeru; Sakurai, Takuya; Asakura, Hitomi; Fuma, Shin-Ya; Shioiri, Takayuki; Aoyama, Toyohiko
Heterocycles, 2001 , vol. 55, # 12 p. 2283 - 2287