Number | Date | Country | Kind |
---|---|---|---|
50-45068 | Apr 1975 | JA | |
50-57124 | May 1975 | JA | |
50-72923 | Jun 1975 | JA | |
50-79561 | Jun 1975 | JA | |
50-79802 | Jun 1975 | JA |
Entry |
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farkas et al., Chem. Abs., vol. 52, pp. 13650 to 13651 (1958). |
Cazaux et al., Chem. Abs., vol. 72, 11784w, p. 245 (1970). |
Farkas et al., Collection Czechoslov. Chem. Commun., vol. 24 (1959) pp. 2230 to 2236. |