00255nam a2200097Ia 4500008004100000040001100041100001600052245002300068260005600091300001000147251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aE. J. Crane 0aChemical Abstracts  cDecember 25, 1956bAmerican Chemical SocietyaU.S.A  bV. 50