Number | Name | Date | Kind |
---|---|---|---|
3355464 | Zienty et al. | Nov 1967 | |
4263212 | Hong et al. | Apr 1981 | |
4271288 | Woo | Jun 1981 | |
4497959 | Spivack | Feb 1985 |
Number | Date | Country |
---|---|---|
2352216 | Apr 1975 | DEX |
5098175 | Jul 1980 | JPX |
Entry |
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Koelsch et al., Journal of Organic Chemistry, vol. 6, (1941), pp. 684-689. |
Kubota et al., Chemical Abstracts, vol. 66, (1967), 18650j. |
Shibata et al., Chemical Abstracts, vol. 91, (1979), 74500p. |