الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
-In-L roduc tion:
IJxnzol.ones ,-.re of five possible .types, tile :,lost ix~port-
Tile 5(2)-oxnzolones are represe~lLed by fen co!~igounds,
iew exaxj~les of the 2{3)-oxazolones nr? itnovnl, there is one
lioubtful example of the 4(5)-oxazolones nr.d no 2 (5)-
,-i,, <~zolones- re yet discovered.