问题: 分子式为C5H8O2被称作胶醛的是什么物质？
Cypher查询:
match (:ENTITY{name:'胶醛'})<-[:Relationship{name:'别名'}]-(m), (m)-[:Relationship{name:'分子式'}]->(n) where n.name='C5H8O2' return distinct m.name
查询结果:
戊二醛