The molecule is the R-enantiomer of etodolac. It is inactive, in contrast to the enantiomer, (S)-etodolac, which is a preferential inhibitor of cyclo-oxygenase 2 and a non-steroidal anti-inflammatory. The racemate is commonly used for the treatment of rheumatoid arthritis and osteoarthritis, and for the alleviation of postoperative pain. It is an enantiomer of a (S)-etodolac.
2-[(1R)-1,8-diethyl-4,9-dihydro-3H-pyrano[3,4-b]indol-1-yl]acetic acid