Type:Anesthetic Agents, Anti-Allergic Agents, Antibiotic and Antimicrobial Agents, Antidote, Antineoplastic Agents, Antiparasitic Agents, Antipyretic Analgesics and NSAIDs, Blood System Agents, Cardiovascular Agents, Disinfectant and Preservatives, Electrolyte Balance and Dialysis Agents, Gastrointestinal Agents, Endocrine System Agents, Immune Function Agents, Respiratory System Agents, Urinary System Agents, Vitamins, Amino Acids and Coenzymes, Central Nervous System Agents, Auxiliaries and Other Medicinal Chemicals, citric acid anhydrous