The present invention relates to novel pyrrolidine derivatives of Formula (I), its geometrical isomers, its optically active forms as enantiomers, diastercomers, mixtures of these and its racemate forms, as well as salts thereof, wherein: R.sup.1is selected from the group comprising or consisting of H and C.sub.1-C.sub.6-alkyl; R.sup.2 is selected from the group comprising or consisting of hydrogen, C.sub.1-C.sub.6-alkyl, C.sub.1-C.sub.6 alkyl aryl, heteroaryl, C.sub.1-C.sub.6 alkyl heteroaryl, C.sub.2-C.sub.6-alkenyl, C.sub.2-C.sub.6-alkenyl aryl, C.sub.2-C.sub.6 alkenyl heteroaryl, C.sub.2-C.sub.6-alkynyl, C.sub.2-C.sub.6-alkynyl aryl, C.sub.2C.sub.6-alkynyl heteroaryl, C.sub.3-C.sub.8 cycloalkyl, heterocycloalkyl, CI-C6-alkyl cycloallcyl, CI-C6-alkyl heterocycloalkyl, CIC6 alkyl carboxy, acyl, C.sub.1-C.sub.6-alkyl acyl, C.sub.1-C.sub.6-alkyl acyloxy, C.sub.1-C.sub.6-alkyl alkoxy, alkoxycarbonyl, C.sub.1-C.sub.6-alkyl alkoxycarbonyl, aminocarbonyl, C.sub.1-C.sub.6-alkyl aminocarbonyl, C.sub.1-C.sub.6-alkyl acylarnino, C.sub.1-C.sub.6-alkyl ureido, amino, C.sub.1-C.sub.6-alkyl amino, sulfonyloxy, C.sub.1-C.sub.6 alkyl sulfonyloxy, sulfonyl, C.sub.1-C.sub.6-alkyl sulfonyl, sulfinyl, C.sub.1-C.sub.6-alkyl sulfinyl, C.sub.1-C.sub.6alkyl sulfanyl, C.sub.1-C.sub.6-alkyl sulfonylamino. ##STR00001##