1. Faculty
of Mathematics and Physics, Charles University in Prague, Ke Karlovu
5, 121 16 Prague
2, Czech Republic
2. Institute of Organic Chemistry and Biochemistry, AS CR, Fleming sq. 2, 166 10 Prague 6, Czech Republic
3. Institute of Chemical Technology, Technická 5, 166 28 Prague 6, Czech Republic
4. Diamond Light Source, Chilton, Didcot,
Oxfordshire, OX11 0DE, U.K.