(2008/06/13)
berberine chloride
2,7-bis(methoxymethyl)-5,10-dimethoxy-3,8-dimethylpyrimido<4,5-g>quinazoline-4,9(3H,8H)-dione
3,6-bis(methylcarbamyl)-1,4-dimethoxy-2,5-diaminobenzene
2,5-bis(methoxyacetamido)-3,6-bis(methylcarbamyl)-1,4-dimethoxybenzene
3,6-(dicarboxylic acid)-1,4-dimethoxy-2,5-dinitrobenzene dimethyl ester