Sell Allantoin - liumofei (
China ) - Offers to Sell and Export - Wednesday 22 July 2009 7:23 am - sell allantoin
allantoin is a chemical compound with formula c4h6n4o3 it is also called 5 ureidohydantoin or glyoxyldiureide it is a diureide of glyoxylic acid ... [Allantoin]