English Name：Dexibuprofen/(s)-(+)-ibuprofenChemical Name：S（+）-2（4-isobutylphenyl）Propionic acidChinese spelling:youxuanbuluofenmolecular formula：C13H18O2molecular weight：206.28Quality: Assay 98.5—101% [α]D20=56-62(methanol)package: In cardboard drums of 25kg(N. Wt.) each , lined inside with polythene films. Capacity: 500 MT annually. Description: the S-ibuprofen ,which is pure effective part of Ibuprofen ,more effective,as well as Ibuprofen Lysinate,which is lysinate sodium form of Ibuprofen ,the olution and bioavailability ,contrary to ibuprofen,more effective,