incubation of r ( - ) , s ( + ) and rs ( +/- ) amphetamines with rabbit liver 9000 g supernatant indicated that r ( - ) was metabolized at a faster rate than s ( + ) , but that racemic amphetamine was metabolized at the same rate as s ( + ) during one hour incubations .
C0002667
amphetamines
C0002658
amphetamine