00339nam a2200133 a 450000500170000002000150001708200170003210000200004924500420006925000110011126000390012230000200016170000240018120251203090951.0  a0805383298  a547,bD, rob  aRoberts, John D  aBasic principles of organic chemistry  a2nd ed  aLoNew DelhionbW.A. Benjaminc1977  axix,1596p, 23cm  aCaserio, Marjorie G