C21H25NO5
# 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
