00281nam a2200121Ia 4500008004100000040001700041041001200058082001800070100001700088245003400105260000900139300001100148230917s9999||||xx |||||||||||||| ||und|| e184403aMAIN aEnglish a547.437 P969S aPunam Kumari 0aSynthesis of pyrimidinediones c2009 a379 p.