A new compound, subglain B, was isolated from the stems of Uvaria tonkinensis var. subglabra and its structure was identified as 1S, 2R, 3S, 6R-1-benzoyloxymeth
The terpolymer latex of methyl methacrylate (MMA)/butyl acrylate (BA)/ dimethyl aminoethyl methacrylate (DMAEMA) with diameter of less than 100 nm was prepared
3,6-di-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-(-D-galactopyranosyl)-2-azido-2-deoxy- (-D-glucoppyranosyl nitrate could be separated from its mannose type isomer b