Number | Date | Country | Kind |
---|---|---|---|
53-89846 | Jul 1978 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2594272 | Kauck et al. | Apr 1952 | |
2644823 | Kauck et al. | Jul 1953 |
Number | Date | Country |
---|---|---|
1069639 | Nov 1959 | DEX |
123658 | Jan 1975 | JPX |
Entry |
---|
Bailey et al., Tetrahedron Letters, 11, 869 (1975). |