IU,U--International unit(Medical unit),the same with μg,
Bou means Billion of μg
KGA means KG Active,the unit of measurement which is used in API,it`s biological unit
KGB is unit of measurement,mainly used in India
KGA就是活性的KG数量,常使用在生物制药领域的计量单位
1KGA=1.6KG