methyl 4-[(E)-N'-hydroxycarbamimidoyl]-3-methoxybenzoate 、 3-[(2-hydroxyethoxy)methyl]benzonitrile 以to give the title compound as a yellowish oil (1.26 g, quantitative)的产率得到N'-hydroxy-3-[(2-hydroxyethoxy)methyl]benzenecarboximidamide
The invention relates to compounds of formula I:
wherein R
1
, R
2
, R
a
, R
b
, W, Q and S have the meanings given in claim
16
. The compounds are useful e.g. in the treatment of autoimmune disorders, such as multiple sclerosis.