Number | Date | Country | Kind |
---|---|---|---|
010498/77 | Aug 1977 | CHX | |
PCT/CH78/00015 | Aug 1978 | WOX |
Number | Name | Date | Kind |
---|---|---|---|
3969419 | Engel et al. | Jul 1976 | |
4042594 | Irikura | Aug 1977 |
Number | Date | Country |
---|---|---|
2502154 | Jul 1975 | DEX |
Entry |
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Thummler et al., Chem. Abstracts, vol. 54, p. 25789 g-h 1960. |