Strop P, Horejsí M, Konvalinka J, Skrabana R, Velek J, Bláha I, Cerná V, Pichová I, Pavlícková L, Andreánsky M
Institute of Organic Chemistry and Biochemistry, Czechoslovak Academy of Sciences, Prague.
Adv Exp Med Biol. 1991;306:515-8. doi: 10.1007/978-1-4684-6012-4_68.