S-(-)-Thiopental sodium

(-)-5-Ethyl-5-[(S)-1-methylbutyl]-2-sodiothio-4,6(1H,5H)-pyrimidinedione

4,6(1H,5H)-Pyrimidinedione, 5-ethyldihydro-5-(1-methylbutyl)-2-thioxo-, monosodium salt, (S)-

4,6(1H,5H)-Pyrimidinedione, 5-ethyldihydro-5-[(1S)-1-methylbutyl]-2-thioxo-, monosodium salt (9CI)