Patent ID: 8470805

Claim:
A complex compound represented by a structure being wherein R1 is one of a hydrogen and a benzene ring substituted with a substituting group being one selected from a group consisting of a halogen atom, an amino group, a nitro group, a C1˜C5 alkyl group and a C1˜C5 alkoxy group; Ra is one of a hydrogen and a xanthine group substituted with a substituting group being one selected from a group consisting of a halogen atom, an amino group, a nitro group, a C1˜C5 alkyl group and a C1˜C5 alkoxy group; and RX contains a carboxylic group donated from one selected from a group consisting of an organic acid, a statin, a fibric acid, a fibric acid derivative, a non-steroid anti-inflammatory (NSAIDs), an anti-allergy drug, an anti-diabetic drug and an anti-asthmatic drug, wherein RX 31 is an anion form of the carboxylic group.