(-)-Tetrahydrolipstatin 111397-16-1 96829-58-2 Alli L-Leucine, N-formyl-, (1S)-1-(((2S,3S)-3-hexyl-4-oxo-2-oxetanyl)methyl)dodecyl ester L-Leucine, N-formyl-, 1-((3-hexyl-4-oxo-2-oxetanyl)methyl)dodecyl ester, (2S-(2alpha(R*),3beta))- N-Formyl-L-leucine, ester with (3S,4S)-3-hexyl-4-((2S)-2-hydroxytridecyl)-2-oxetanone Orlipastat Orlipastatum [INN-Latin] Orlistat Orlistat [USAN:INN] Ro 18-0647/002 Tetrahydrolipstatin Xenical