嘌呤

嘌呤	piào lìng	purine (loanword)
嘌	piào	(literary) fast / speedy / used in 嘌呤 / Taiwan pr. [piao1]
呤	líng	used in 呤呤
呤	lìng	used in 嘌呤 / Taiwan pr. [ling2]