Number | Name | Date | Kind |
---|---|---|---|
3766179 | Snapp, Jr. et al. | Oct 1973 |
Number | Date | Country |
---|---|---|
540278 | Apr 1957 | CAX |
2930144 | Feb 1981 | DEX |
Entry |
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Chem. Abstracts 57:15102c (1962). |
Reppe et al. (Reppe), Justus Liebig's Annalem der Chemie, 596, pp. 80-82 and 109-111 (1955). |