Institution: | (1) Institute of Drug Research, Academy of Sciences of the GDR, DDR-1136 Berlin, (German Democratic Republic);(2) Institute of Biochemistry of Plants, Academy of Sciences of the GDR, DDR-4010 Halle (Saale), (German Democratic Republic);(3) Section of Pharmacy, Ernst-Moritz-Arndt-University Greifswald, DDR-2200 Greifswald, (German Democratic Republic) |