title: C21H25NO5
text: # C21H25NO5
  
  The molecular formula $C_{21}H_{25}NO_5$ may refer to:
  
  * Demecolcine, a drug used in chemotherapy
  * Diacetyldihydromorphine, an opioid analgesic
  * MIBE, a nonsteroidal antiestrogen
  * MR-2096, an opioid analgesic
  