29640
Abstract Objective : The conventional liposomal amphotericin B causes many unwanted side effects like blood disorder , nephrotoxicity , dose - dependent side effects , highly variable oral absorption and formulation - related instability .
 amphotericin B
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 amphotericin B