3673
Finally , the availability of all six major BAs could be confirmed in rat brain 8h after oral administration of 240mg / kg BSE to rats showing mean concentrations of 11 . 6ng / g for KBA , 37 . 5ng / g for AKBA , 485 . 1ng / g for alpha BA , 1066 . 6ng / g for beta BA , 43 . 0ng / g for A alpha BA and 163 . 7ng / g for A beta BA .
 Chemical: KBA; Chemical: AKBA; Chemical: alpha BA; Chemical: beta BA; Chemical: A alpha BA; Chemical: A beta BA
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: KBA; Chemical: AKBA; Chemical: alpha BA; Chemical: beta BA; Chemical: A alpha BA; Chemical: A beta BA