Pyrimidine is an important component of nucleic acids.
Tips
usage
A sound-borrowed character with no independent meaning, used only to spell chemical names: 吡啶 (pyridine), 嘧啶 (pyrimidine), 嘌呤 and similar ring-compound terms.
Left 口 (mouth), the indexing radical. As with many sound-loan characters, the mouth radical signals 'read for sound only' — used to coin chemistry transliterations.
