ieu ▁who ▁had ▁identified ▁the ▁pro g ester one ▁re ceptor ▁suggested ▁to ▁R ous sel - U cla f ▁to ▁modify ▁the ▁pro g ester one ▁mole c ule ▁to ▁create ▁an ▁anti - prog ester one . ▁Georges ▁Te utsch ▁then ▁synth es ized ▁an ▁agent ▁that ▁became ▁initially ▁known ▁as ▁R U 4 6 8 ▁in ▁ 1 9 8 0 . ▁Ba ul ieu ▁investig ated ▁the ▁actions ▁of ▁this ▁agent ▁as ▁an ▁anti - prog ester one ▁ster oid ▁that ▁proved ▁to ▁be ▁able ▁to ▁indu ce ▁early ▁abort ion ▁and ▁became ▁more ▁effective ▁in ▁conj unction ▁with ▁mis op rost ol . ▁As ▁a ▁pro ponent ▁of ▁a ▁n ons urg ical ▁approach ▁to ▁abort ion ▁Ba ul ieu ▁became ▁an ▁advoc at ▁R U 4 6 8 ▁even ▁when ▁the ▁company ▁with d rew ▁from ▁the ▁product ▁and ▁prop elled ▁him ▁into ▁the ▁lim el ight ▁of ▁the ▁abort ion ▁debate . ▁As ▁an ▁anti - prog ester one ▁R U 4 6 8 ▁also ▁has ▁other ▁potential ▁such ▁as ▁in ▁the ▁treatment ▁of ▁certain ▁conditions ▁( bre ast ▁cancer , ▁brain ▁cancer , ▁end omet rios is , ▁di ab etes , ▁hy pert ension ), ▁and ▁the ▁anti - c ort ison ▁activity ▁he ▁discovered ▁may ▁be ▁useful ▁to ▁manage ▁de pression ▁or ▁C ushing ' s ▁synd rome . ▁ ▁L on ge vity ▁Ba ul ieu ▁has ▁taken ▁increasing ly ▁more ▁interest ▁in ▁what ▁he ▁has ▁called ▁the ▁" lon ge vity