The preparation of cyanamide, urea, and related compounds labeled with long-lived radioactive carbon.
D002244:Carbon; D003484:Cyanamide; D011851:Radioactivity; D014508:Urea
D003484:Cyanamide; D002244:Carbon; D014508:Urea
CYANAMIDE/preparation; RADIOACTIVITY; UREA/preparation