silicone defoaming agent
organic complexing agent
organic chelating agent
organic auxiliary agent
organic antiseptic agent
organic antibacterial agent
Organic Compound Denitrification Agent
organic acid anhydride carboxylation agent
orgamofluoro-water-proof and oil-repellent agent
oral ultrasonic contrast agent
oral negative contrast agent
oral contrast agent for abdomen MRI
Oral chemotherapeutic agent
organic acid smoke agent