Stanovnik et al., Chemical Abstract, 88, (1978), 74365m. |
C. Chen, Chemical Abstract, 68, (1968), 105170n. |
C. Cheng, Chemical Abstract, 69, (1968), 67342f. |
Hall et al., Chemical Abstract, 106, (1987), 46285g. |
Long et al., Chemical Abstract, 73, (1970), 77193e. |
P. Norton, Chemical Abstract, 106, (1987), 50103p. |
Schneller et al., Chemical Abstract, 83, (1975), 10008m. |
Beck, et al., J. Heterocyclic Chem., 1987, 24(1), pp. 243-5. |
Schaefer, et al., J. Prakt. Chem. 1983, 325(1), pp. 41-8. |
Schaefer, et al., Chem. Abst. 99:12236m, (1983). |
Derwent 84-136034/22, (1984). |