共 514 条
[1]
ABRAHAM I, 1994, Patent No. 04541
[3]
PURINE STUDIES .1. STABILITY TO ACID AND ALKALI - SOLUBILITY - IONIZATION - COMPARISON WITH PTERIDINES
[J].
JOURNAL OF THE CHEMICAL SOCIETY,
1954, (JUN)
:2060-2071
[4]
ALKSNIS E, 1996, CHEM HETEROCYCL COMP, V32, P333
[7]
ANTONOVS.VL, 1973, B ACAD SCI USSR CH+, P1040
[8]
ANTONOVSKII VL, 1972, ZH FIZ KHIM+, V46, P2902
[9]
ANTONOVSKII VL, 1974, IAN SSSR KH, V5, P2307
[10]
ARIES R, 1973, Patent No. 2138186