Item:Q4187: Difference between revisions
Created claim: instance of (P2): structural class of chemical compounds (Q3038) |
Created claim: subclass of (P1): oxygen compound (Q3306) |
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| Property / instance of | |||
| Property / instance of: chemical entity class / rank | |||
Normal rank | |||
| Property / subclass of | |||
| Property / subclass of: oxygen compound / rank | |||
Normal rank | |||