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References:
www.thehindu.com/2000/03/12/s...
patents.google.com/patent/EP2...
www.thehindu.com/2001/01/18/s...
me-mechanicalengineering.com/...
• Andraiya Seithi Indrai...
en.wikipedia.org/wiki/Butyral...
pubchem.ncbi.nlm.nih.gov/comp...
pubchem.ncbi.nlm.nih.gov/comp...
• Composition of petroleum
www.freepatentsonline.com/4915...
www.thehindu.com/2001/01/18/s...