Number | Date | Country | Kind |
---|---|---|---|
59-172570 | Aug 1984 | JPX | |
59-243412 | Nov 1984 | JPX | |
59-246363 | Nov 1984 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3549689 | Frey et al. | Dec 1970 |
Number | Date | Country |
---|---|---|
0018674 | Dec 1980 | EPX |
0181568 | May 1986 | EPX |
1806546 | Jul 1969 | DEX |
2164481 | Aug 1973 | FRX |
1077936 | Aug 1967 | GBX |
1088295 | Oct 1967 | GBX |
Entry |
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Ellis et al., Chemical Abstracts, vol. 75 (1971) 5765m. |
Ellis et al., Chemical Abstracts, vol. 75 (1971) 20315h. |
Barker and Ellis, "Benzopyrons., Part III., Synthesis and Mass Spectra of Some Oxopyranobenzoxazolecarboxylic Esters," J. Chem. Soc. C. (8), 1482-1484 (1971). |
Barker and Ellis, "Benzopyrons., Part IV., Pyrano[1,4]Benzoxazinones and Some Dihydrobenzoxazines: Etc." J. Chem. Soc. C. (11), 2079-2082 (1971). |