Number | Name | Date | Kind |
---|---|---|---|
3920651 | Ecsery et al. | Nov 1975 | |
3944581 | Schwan | Mar 1976 | |
3969355 | Schwan | Jul 1976 |
Entry |
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Jamison, "Chemical Abstracts", col. 86957f, vol. 68, 1968. |
Lucas, "Organic Chemistry," Sec. Ed., 1953, American Book Co., New York, pp. 351-352. |