共 19 条
- [12] LAGOW RJ, 1970, P NATL ACAD SCI USA, V67, pA8
- [13] Miller W. T, 1966, U.S. Patent, Patent No. [US3242218A, 3242218]
- [14] PERSICO DF, UNPUB
- [16] SHEPPARD WA, 1964, ORG SYN, V44, P39
- [17] SIANESI D, 1968, Patent No. 1531902
- [18] Smith W. C., 1962, ANGEW CHEM INT EDIT, V1
- [19] 1966, Patent No. 3250808