C27H31NO4
# C27H31NO4

The molecular formula $C_{27}H_{31}NO_4$ (molar mass: 433.54 g/mol) may refer to:

* Estrapronicate, a synthetic estrogen
* N-Phenethyl-14-ethoxymetopon, a potent analgesic
* 14-Phenylpropoxymetopon, a potent analgesic
