Item:Q3038: Difference between revisions
 Created a new Item:  structural class of chemical compounds, set of compounds sharing a common structural feature to which is attached a variable part (or parts) defining a specific compound of the class  | 
				 Created claim:  is metaclass for (P24): chemical compound (Q2545)  | 
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| Property / instance of: classification system / rank | |||
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| Property / instance of: classification system / qualifier | |||
| Property / instance of: classification system / qualifier | |||
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| Property / instance of: third-order class / rank | |||
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| Property / subclass of | |||
| Property / subclass of: group or class of chemical substances / rank | |||
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| Property / is metaclass for | |||
| Property / is metaclass for: chemical compound / rank | |||
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