- 1. OZAGREL
- (UMLS (NCI) C0069392) =Organic Chemical; Pharmacologic Substance ;
| - 3. ozone
- [triatomic form of oxygen, O3; a pungent, unstable blue gas that in the upper atmosphere forms a protective layer against excess ultraviolet radiation and is an ingredient of photochemical smog in the lower atmosphere; used in the purification of drinking water and as an oxidizing agent. ( CSP )] (UMLS (CSP) C0030106) =Chemical =oxygen compound;
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