MA20739A1
(fr )
1987-04-01
Procede de preparation d'hydroxyalkylxanthines tertiaires
RO93871A
(ro )
1988-02-29
Procedeu de obtinere a unor derivati de propargiloxiacetonitril substituiti
FR2559487B1
(fr )
1988-12-02
Procede de preparation des organohalosilanes
PT75209B
(fr )
1984-06-27
Procede de preparation d'amidobenzamides
FR2565590B1
(fr )
1988-08-26
Procede de preparation d'aminohydroxycephamcarboxylates
FR2562070B1
(fr )
1988-09-09
Procede de preparation de 2-amino-s-triazines
FR2488602B1
(fr )
1985-07-05
Procede de preparation d'hexachloroacetone
FR2557877B1
(fr )
1989-06-16
Procede de preparation d'alcaloides dimeres
RO90409A2
(ro )
1986-10-30
Procedeu de obtinere a extraxtului de alcaloizi din chelidonii herba
BE890629A
(fr )
1982-04-05
Procede de preparation d'acetaldehyde
FR2560199B1
(fr )
1987-04-17
Procede de preparation de l'i-brassicasterol
FR2610924B1
(fr )
1990-05-04
Procede de preparation d'hydroxybiphenyles
BE890630A
(fr )
1982-04-05
Procede de preparation d'acetaldehyde
FR2577920B1
(fr )
1987-04-17
Procede de preparation d'acetals
FR2565970B1
(fr )
1989-02-03
Procede de preparation d'aminobenzylamines
MA19649A1
(fr )
1983-07-01
Procede de preparation d'haloalkyl-8-4h (1)-benzopyran-4-ones
RO94314A2
(ro )
1988-04-30
Procedeu de preparare a izofitolului
RO93136A2
(ro )
1987-12-30
Procedeu de obtinere a criolitului
FR2588557B1
(fr )
1990-04-20
Procede de preparation d'arylaminoaluminium
RO92108A2
(ro )
1987-07-30
Procedeu de obtinere a azodicarboxamidei
RO88488A
(ro )
1986-01-30
Procedeu de obtinere a singenitului
RO90402A2
(ro )
1986-09-30
Procedeu pentru obtinerea hidrazodicarboxamidei
RO88894A3
(ro )
1986-02-28
Procedeu de obtinere a unui extract uscat de propolis
RO90408A2
(ro )
1986-09-30
Procedeu de obtinere a alcaloizilor din specii de thalictrum
RO91885A2
(ro )
1987-06-30
Procedeu de obtinere a azobisizobutiromitrilului