参考文献:
BAYER PHARMA AKTIENGESELLSCHAFT HAHN, Michael LAMPE, Thomas STASCH, Johannes-Peter SCHLEMMER, Karl-Heinz WUNDER, Frank LI, Volkhart Min-Jian BECKER, Eva-Maria STOLL, Friederike KNORR, Andreas WOLTERING, Elisabeth Patent: US03/794 A, 03 Location in patent: Paragraph 0678-0679