| abstract |
According to the present invention, there is provided a novel compound of formula (I) wherein Ra / Rb / Rc, Rd and Re are each independently selected from the group consisting of H, alkyl groups and substituted alkyl groups having from 1 to 106 carbon atoms, alkenyl groups and substituted alkenyl groups having from 3 to 106 carbon atoms wherein the substituents on the alkyl and / or alkenyl groups are selected from the group consisting of alkoxy, halogen, CN, OH, HO (CH 2 CH 2 O) X (x = 1 -10), acyl, acyloxy and aryl substituents. |