The genus Dasymaschalon(Annonaceae) comprising about 16 species are widely distributed in temperate and subtropical regions.D.trichophorum is one of the three D
A minor lignin,4-demethyldeoxypodophyllotoxin,was isolated from Sinopodophyllum emodi.First,a crude extract of Sinopodophyllum emodi was analyzed by HPLC-MS
Among gas-phase dissociation reactions,double bond cleavage reaction appears to happen extremely rare,especially in the case of C=C double bond.In the disso
The biological functions of N-linked glycans on immunoglobulin G(IgG) are closely associated with pathogenesis and therapeutic actions;however,certain pivotal l