in experiments with rats , the authors compared potency ratios and slopes of dose-effect curves of isoflurane , halothane , and diethyl ether for three end points of anesthesia : loss of righting reflex ( rr ) , abolition of purposeful movement ( pm ) response to painful stimuli , and abolition of heart rate ( hr ) response to painful stimuli .
C0014994
diethyl ether
C0030193
painful