racemethorphan การใช้

• It is the L-stereoisomer of racemethorphan ( methorphan ).
• "' Racemethorphan "'refers to the racemic mixture of both of these stereoisomers.
• The ethers, esters and enantiomeres of the above mentioned substances, with exception of dextromethorphan ( INN ) as enantiomere of levomethorphan and racemethorphan, and with exception of dextrorphanol ( INN ) as enantiomere of levorphanol and racemorphan;