A chemical element with the symbol Os and atomic number 76, commonly used in organic synthesis as a catalyst.
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(4S,5R,6S)-5-Benzyloxy-4-[(2R,4aR,6R,7R,8S,8aR)-7,8-bis-(tert-butyl-dimethyl-silanyloxy)-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy]-6-(tert-butyl-dimethyl-silanyloxy)-cyclohex-2-enone
ethyl (2R,3S)-3-(2,4-dinitrophenyl)-2-hydroxy-3-(4-methylphenylsulfonamido)propanoate
Benzenesulfonamide, N-(2-oxo-1,2-diphenylethyl)-
