13980-16-0

13981-88-9 Yittrium fluoride (a little fluoride)

13981-17-4 252Cf

13981-16-3 PLUTONIUM-238)

13981-89-0 Yttrium difluoride

13981-29-8 160Tb

1397-98-4 Cymarigenin

1398-13-6 15alpha-Hydroxy-2beta-((2-O-isovaleryl-3,4alpha-di-O-sulpho-beta-D-glucopyranosyl)oxy)-19-norkaur-16-en-18-oic acid

13980-07-9 8-[(2R,3R)-3-octyloxiran-2-yl]octanoic acid

13981-21-0 Mercury198

13980-16-0 13-hydroxydocosanoic acid

13981-59-4 Tin117

13981-50-5 Co

13981-43-6 ClH

13982-01-9 239

13980-32-0 (R*,R*)-10-acetoxy-9-hydroxyoctadecanoic acid

13981-51-6 197Hg

13981-72-1 Chlorine35

13980-64-8 1-Methyl-2-oxylato-1H-[1,2,4]triazolo[1,5-a]pyridin-4-ium

1398-11-4 Aspidosperma [USP IX]

13981-52-7 POLONIUM, ISOTOPE OF MASS 210)