Number | Name | Date | Kind |
---|---|---|---|
3506682 | Fried | Apr 1970 | |
4061779 | Lake et al. | Dec 1977 | |
4270004 | Rose et al. | May 1981 | |
4420639 | Lake et al. | Dec 1983 | |
5214151 | Nakajima et al. | May 1993 | |
5300654 | Nakajima et al. | Apr 1994 |
Number | Date | Country |
---|---|---|
0376516 | Jul 1990 | EPX |
Entry |
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Fieser, Louis F. et al., Organic Chemistry (1944), pp. 700-701. |