Patent ID: 8497370

Claim:
A complex salt, comprising a structure of wherein R 1 is one of: a benzene ring having substituting groups of a C1˜C5 alkoxy group, an acetyl group and a pyrazolo[4,3d]pyrimidin having a substituting group being one of a C1˜C6 alkyl group; and a benzene ring having substituting groups of a C1˜C5 alkoxy group, a sulfonyl group and an imidazo[5,1-f][1,2,4]triazin having a substituting group being one of a C1˜C6 alkoxy group and a C1˜C6 alkyl group; R a is one selected from a group consisting of a hydrogen group, a halogen atom, an amino group, a nitro group, a C1˜C5 alkyl group and a C1˜C5 hydroxyalkyl group; RX contains a carboxylic group donated from a group consisting of a mineral acid, an organic acid, a Statin derivative, a Vitamin, a γ-polyglutamic acid derivative and sodium CMC, wherein RX − is an anion of the carboxylic group carrying a negative charge; and halogen atom is one selected from a group consisting of a fluorine, a chlorine, a bromine and an iodine.