000			00368nam a2200169Ia 4500
008			240717s9999 xx 000 0 und d
020			_a9788181421210
082			_a547 SHN
100			_a Singh
245		0	_aorganic chemistry
260			_aJaipur
260			_bRBD Publication house
260			_c2019
300			_a10.38
650			_aScience
942			_cBB
999			_c14591 _d14591