LTIP269A
(en )
1994-10-25
Method of preparing pyrimidine derivatives
PH24761A
(en )
1990-10-01
Novel xanthine derivatives
GB2213146B
(en )
1991-04-24
Pyrimidine derivatives
IL87247A0
(en )
1988-12-30
Pyrimidine derivatives
ZA883447B
(en )
1988-11-22
Pyrimidine derivatives
EP0317175A3
(en )
1989-10-11
Pyrimidine derivatives
GB8827462D0
(en )
1988-12-29
Pyrimidine derivatives
CS907288A1
(en )
1989-11-14
Method of 3-methyl-1/5-oxohexyl/-7-n-propyl-3,7-dihydro-1h-purine 2,6-dione preparation
CS656188A1
(en )
1989-07-12
Method of 3-methyl-7-propyl-3,7-dihydro-1h-purine-2,6-dione preparation
CS527587A2
(en )
1990-02-12
Method of 6-amino-1,2-dihydro-1-hydroxy-2-imino-4-piperidinopyrimidine preparation
PH22737A
(en )
1988-11-28
Method for the preparation of 3,7-dihydro-3-n-propyl-1h-purine-2,6-dione
CS907588A1
(en )
1989-11-14
Method of 3-methyl-7-n-propyl-3,7-dihydro-1h-purine-2,6-dione preparation
CS907488A1
(en )
1989-11-14
Method of 3-methyl-1-/5-oxohexyl/-7-n-propyl-3,7-dihydro-1h-purine-2,6-dione preparation
CS907388A1
(en )
1989-11-14
Method of 3-methyl-1-/5-oxohexyl/-7-n-propyl-3,7-dihydro-1h-purine-2,6-dione preparation
GB2209525B
(en )
1991-04-03
Pyrimidine derivatives
PL266240A1
(en )
1989-01-05
Method of obtaining derivatives of 1,3,2-oxazaphosphorinate
CS656088A1
(en )
1989-04-14
Method of 3,7-dimethyl-3,7-dihydro-1 h-purine-2,6-dione preparation
CS355088A1
(en )
1989-06-13
Method of 3-methyl-7-n-propyl-3,7-dihydro-1 h-purine -2,6-dione-b preparation
CS8800816A1
(en )
1989-04-14
Method of 3-methyl-7-alkyl xanthines preparation
CS355388A1
(en )
1989-06-13
Method of 6-amino-5-bromo-1-methyl-1 h-pyrimidine-2,4-dione preparation
CS34588A1
(en )
1989-06-13
Method of 1-(5-oxohexyl)-3-methyl-7-alkylxanthines preparation
CS354388A1
(en )
1989-04-14
Method of 3-methyl-1-(5-oxohexyl)-7-n-propyl-3,7-dihydro-1 h-purine-2,6-dione preparation
PL274231A1
(en )
1990-02-19
Method of obtaining purine derivatives
PL276471A1
(en )
1990-06-25
Method for preparation of the guanine derivatives
PL151233B2
(en )
1990-08-31
Method of obtaining 2-methyl-1,2,5,6-tetrahydro-5,6-dioxo-1,2,4-triazinothiole-3