174071. lajstromszámú szabadalom • Eljárás oxazolino-azetidinil-penténsav származékok előállítására

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16. —CHíPh -CHjPh Cl --- 1781.1741,1644, (1,68s+2.25s)3H, (3,63s+3,55s)2H, (3,80s+4,77s)2H, 5,10

1602. 5,20m4H, (5,93d+6,12d)dd(3Hz)lH, 7,15~7,53mlOH.