thioguanine

== English == === Pronunciation === (Received Pronunciation) IPA(key): /ˌθʌɪ.ə(ʊ)ˈɡwɑː.niːn/ (General American) IPA(key): /ˌθaɪ.oʊˈɡwɑˌnin/ === Noun === thioguanine (countable and uncountable, plural thioguanines) (pharmacology) US and UK spelling of tioguanine.