Item:Q3038: Difference between revisions
Created claim: instance of (P2): classification system (Q173) |
Created claim: is metaclass for (P24): chemical compound (Q2545) |
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| Property / instance of | |||
| Property / instance of: third-order class / rank | |||
Normal rank | |||
| Property / subclass of | |||
| Property / subclass of: group or class of chemical substances / rank | |||
Normal rank | |||
| Property / is metaclass for | |||
| Property / is metaclass for: chemical compound / rank | |||
Normal rank | |||