(S)-2-Amino-4-(methylselenyl-(sup 75)Se)butyric acid 1187-56-0 Butanoic acid, 2-amino-4-(methylseleno-(sup 75)Se)-, (S)- L-(75Se)-Selenothionine L-Selenomethionine (75 Se) L-Selenomethioninum (75 Se) Selenomethionine 75Se-injection Selenomethionine Se 75 Selenomethionine se 75 [USAN] Selenomethioninum (75 Se) [INN-Latin] Selenometionina (75 Se) [INN-Spanish] Sethotope