ethyl 2-(2,3,6-trideoxy-4-O-p-nitrobenzoyl-3-trifluoroacetamido-α-L-lyxo-hexopyranosyl)acetate

ethyl 2-(2,3,6-trideoxy-4-O-p-nitrobenzoyl-3-trifluoroacetamido-β-L-lyxo-hexopyranosyl)acetate

1,3-二氢[1,2,5]恶二唑并[3,4-b]喹喔啉

α-(6-furazano[3,4-b]quinoxalinyl)-α-ethoxycarbonylmethylenetriphenylphosphorane

ethyl (E)-4-diazo-5-oxo-3-(trifluoromethyl)hept-2-enoate