CS581788A1
(en )
1989-12-13
New polyaminotriazines and method of their preparation
CS393988A1
(en )
1989-10-13
Quarternary salts of 3-dimethylaminostyrene and method of their preparation
CS46788A1
(en )
1989-03-14
Juvenogenes and method of their preparation
CS660588A1
(en )
1989-06-13
2-arylimino-3-triphenylphosphonium indolates and method of their preparation
CS841188A1
(en )
1989-07-12
Method of trisdiethylaminosiliciumchloride preparation
CS706288A1
(en )
1990-01-12
Dithioderivatives of carbamoyl-4-hydroxybutanesulphonic acid and method of its preparation
CS495888A1
(en )
1989-04-14
Method of magnetite preparation
CS120788A1
(en )
1989-06-13
2-bromomethylphenylisocyanate and method of its preparation
CS856488A1
(en )
1989-11-14
3-allyl-6-nitro-2-benzothiazolinone and method of its preparation
CS807687A1
(en )
1989-03-14
Alkylidenmalonaldehydes and method of their preparation
CS52988A1
(en )
1990-07-12
Method of hydroxyethylmetacrylate and ethylenglycoldimetacrylate simultaneous preparation
CS773688A1
(en )
1990-07-12
Method of 2-isocyanato-benzonitrile preparation
CS530888A1
(en )
1989-10-13
Method of l-(-)-alpha-methyldopa preparation
CS347288A1
(en )
1990-05-14
Method of 2-chlorophenylamidohydrazone preparation
CS184788A1
(en )
1990-01-12
Method of 2-chlorophenylamidohydrazone preparation
CS112488A1
(en )
1989-03-14
Method of alkylarylsulphides preparation
BG44457A1
(en )
1988-12-15
Salts of aminopyridines and method for their preparation
CS427288A1
(en )
1989-08-14
Coordination compounds and method of their preparation
CS646887A1
(en )
1989-10-13
Method of n-phenylmaleinimide and its substituted derivatives preparation
CS21988A1
(en )
1989-08-14
Method of 5-nitro-2-furan and 5-nitro-2-thiophene series' enamines preparation
CS419188A1
(en )
1989-06-13
Sulphoalkyllignin's sodium salt and method of its preparation
CS548389A2
(en )
1991-11-12
N-alkylmonoazacrown -n-oxides and method of their preparation
CS256188A1
(en )
1989-08-14
Derivatives of 5-hydroxy-2-/hydroxymethyl/4h-pyran-4-on and method of their preparation
CS25886A1
(en )
1990-11-14
2-substituted-5-arylfurans and method of their preparation
CS204188A1
(en )
1989-05-12
3-(2-r-vinyl)-2-benzothiazolinones and method of their preparation