Item:Q9973: Difference between revisions
Created a new Item: structural class of chemical entities, set of chemical entities sharing a common structural feature to which is attached a variable part (or parts) defining a specific entity of the class |
Created claim: instance of (P2): classification system (Q173) |
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| Property / instance of | |||
| Property / instance of: classification system / rank | |||
Normal rank | |||
| Property / instance of: classification system / qualifier | |||