00243nam a2200097Ia 4500008004100000040001100041100001600052245002300068260004500091300000900136251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aE. J. Crane 0aChemical Abstracts  c1957bAmerican Chemical SocietyaU. S. A  bV.51