词路径
- entity
- physical entity
- matter
- substance
- material
- stuff
- chemical
- chemical substance
- compound
- chemical compound
- organic compound
- aliphatic compound
- methane series
- alkane series
- alkane
- paraffin series
- paraffin
- amine
- aminoalkane
- monoamine
- monoamine neurotransmitter
- serotonin
- 5-hydroxytryptamine
上位词
- monoamine neurotransmitter