Maxim, Sanda; Gansca, Lucia; Oprean, Ioan; Budae, Iuliana
Revue Roumaine de Chimie, 2002 , vol. 47, # 6 p. 543 - 544

Kim, Seong-Kie; Hatori, Makoto; Ojika, Makoto; Sakagami, Youji; Marumo, Shingo
Bioorganic and Medicinal Chemistry, 1998 , vol. 6, # 11 p. 1975 - 1982