Number | Name | Date | Kind |
---|---|---|---|
4059686 | Tanaka et al. | Nov 1977 | |
4226848 | Nagai et al. | Oct 1980 | |
4292299 | Suzuki et al. | Sep 1981 | |
4572832 | Kigasawa et al. | Feb 1986 |
Number | Date | Country |
---|---|---|
1380171 | Jan 1975 | GBX |
Entry |
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Kornblum et al., (II) J. Pharm. Sci. 62(1): 43-49, Jan. 1973. |
Khan et al., (I), Mfg. Chemist: 25-26, Jan. 1976. |
Khan et al., (II), J. Pharm. Pharmac. 28: 633-636 (1976). |