Patent ID: 7232841

Claim:
A compound according to formula (I) below, having the structure: wherein: R 1 is selected from the goup consisting of hydrogen, halogen, C 1-4 alkyl, C 1-4 alkanoyl and aroyl; G 1 represents CH 2 —CH 2 or CH═CH; G 2 represents C 4-7 alkyl or a group of the formula (a), (b) or (c): X represents a group of the formula (d) or (e): —Y—Ar—Y— (d) —Y—L—Y— (e) wherein Y is selected from the group consisting of a bond, OR 2 , SR 2 , NR 2 R 3 , and C 1-4 alkyl; R 2 represents a bond or C 1-4 alkyl; R 3 represents a hydrogen or C 1-4 alkyl; Ar represents an optionally substituted phenyl ring or an optionally substituted 5- or 6-membered aromatic heterocyclic ring; L represents a bond, C 1-4 alkyl or C 3-8 cycloalkyl.