en niacin (n, substance)
― IsA ⟶
Weight: 2.0
en B-complex vitamin (n, substance) Source: Open Multilingual WordNet
en niacin (n)
― IsA ⟶
Weight: 1.0
en pyridine (n) Source: OpenCyc 2012
en niacin
― IsA ⟶
Weight: 0.5
en chemical compound (n) Source: DBPedia 2015