Number | Date | Country | Kind |
---|---|---|---|
56-3224 | Jan 1981 | JPX | |
56-105294 | Jul 1981 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4281133 | Malhotra et al. | Nov 1979 |
Entry |
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Fieser et al., Reagents for Organic Synthesis, John Wiley (1967) pp. 1204-1205. |
Sharefkin et al., Analytical Chem. vol. 35, No. 11, (Oct. 1963), pp. 1616-1620. |
Heinert et al., Tetrahedron (1958), vol. 3, pp. 49 and 50. |
Schofield, Hetero-Aromatic Nitrogen Compounds-Pyrroles and Pyridines-Butterworths Pub. Co. 1967, p. 371. |