共 15 条
- [1] BAKER BR, 1964, J HETEROCYLIC CHEM, V1, P79
- [2] BLAKLEY RL, 1969, BIOCHEMISTRY FOLIC A, V13, P188
- [3] BROWN DJ, 1970, CHEM HETEROCYL COMPD, V16, P7
- [4] GERAN RI, 1972, CANCER CHEMOTHER REP
- [5] The preparation of orthoesters [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1942, 64 : 1825 - 1827
- [8] SNELL EE, 1950, VITAMIN METHODS MICR, P327