Number | Date | Country | Kind |
---|---|---|---|
2471/91 | Aug 1991 | CHX |
Number | Date | Country |
---|---|---|
0210896 | Jul 1986 | EPX |
0216324 | Sep 1986 | EPX |
0346852 | Jun 1989 | EPX |
0358128 | Sep 1989 | EPX |
Entry |
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H. Pielatzik et al., "Methoden Der Organischen Chemie", Houben-Weyl, 4th Ed., vol. E5, (1985), pp. 633 to 656. |
G. Hesse, "Methoden Der Organischen Chemie", Houben-Weyl, 4th Ed., vol. VI/ld, (1978), pp. 108 to 115. |