Number | Date | Country | Kind |
---|---|---|---|
62-65359 | Mar 1987 | JPX | |
62-67073 | Mar 1987 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4777259 | Ogawa | Oct 1988 |
Number | Date | Country |
---|---|---|
0177353 | Jan 1986 | EPX |
0208420 | Jan 1987 | EPX |
8607056 | Dec 1986 | WOX |
Entry |
---|
Chemical and Pharmaceutical Bulletin, 31, 560-569 (1983), by Sodha, et al. |