Number | Date | Country | Kind |
---|---|---|---|
51-96107 | Aug 1976 | JPX | |
51-96108 | Aug 1976 | JPX | |
51-96109 | Aug 1976 | JPX | |
51-138380 | Nov 1976 | JPX | |
51-143294 | Dec 1976 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4018820 | Fried | Apr 1977 | |
4080458 | Raduvz et al. | Mar 1978 |
Entry |
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McOmie, Protective Groups in Organic Chemistry, pp. 332-333, (1973). |