LTIP269A
(en )
1994-10-25
Method of preparing pyrimidine derivatives
PH24761A
(en )
1990-10-01
Novel xanthine derivatives
HUT45544A
(en )
1988-07-28
Process for producing pyrimidine derivatives
GB2213146B
(en )
1991-04-24
Pyrimidine derivatives
GB8817481D0
(en )
1988-08-24
Pyrimidine derivatives
CS275359B2
(en )
1992-02-19
Method of 9-substituted guanine derivatives preparation
YU93288A
(en )
1990-04-30
Process for producing pyrimidine derivatives
HUT45077A
(en )
1988-05-30
Process for producing pyrimidine derivatives
HUT45078A
(en )
1988-05-30
Process for producing pyrimidine derivatives
EP0317175A3
(en )
1989-10-11
Pyrimidine derivatives
GB8827462D0
(en )
1988-12-29
Pyrimidine derivatives
NZ224958A
(en )
1991-02-26
Process for preparation of purine derivatives and intermediate pyrimidines
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
CS656188A1
(en )
1989-07-12
Method of 3-methyl-7-propyl-3,7-dihydro-1h-purine-2,6-dione preparation
CS907588A1
(en )
1989-11-14
Method of 3-methyl-7-n-propyl-3,7-dihydro-1h-purine-2,6-dione preparation
CS907288A1
(en )
1989-11-14
Method of 3-methyl-1/5-oxohexyl/-7-n-propyl-3,7-dihydro-1h-purine 2,6-dione 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
EP0564006A3
(en )
1993-12-15
Process for preparing purine derivatives and novel purine derivatives
CS656088A1
(en )
1989-04-14
Method of 3,7-dimethyl-3,7-dihydro-1 h-purine-2,6-dione preparation
PH22737A
(en )
1988-11-28
Method for the preparation of 3,7-dihydro-3-n-propyl-1h-purine-2,6-dione
CS13188A1
(en )
1988-09-16
Process for preparing 7-n-propyl-3-methyl-3,7-dihydro-1h-purin-2,6-dione
CS355088A1
(en )
1989-06-13
Method of 3-methyl-7-n-propyl-3,7-dihydro-1 h-purine -2,6-dione-b preparation
AP8800092A0
(en )
1988-05-01
Pyrimidine derivatives
HUT42484A
(en )
1987-07-28
Process for producing alpha1-blocking theophylline derivatives