Number | Name | Date | Kind |
---|---|---|---|
3152136 | Harris et al. | Oct 1964 | |
3352663 | Freund | Nov 1967 | |
3354157 | Leon et al. | Nov 1967 |
Number | Date | Country |
---|---|---|
39-26571 | Nov 1964 | JA |
Entry |
---|
Hanson et al., -(Derivatives of 6-Aminopenicillanic Acid, Part IX, 2.4-and 2,46-Tri substituted-3-foryl penicillins, (1965), Chem. Dept., Beechanh Research Lab, Brockham Park, Betchworch, Surrey). |