tóngfēnyìgòutǐ
ㄊㄨㄥˊ ㄈㄣ ㄧˋ ㄍㄡˋ ㄊㄧˇ
Simplified 同分异构体
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 同分異構體 and it comes back until you know it.