00522nam a2200205Ia 4500 OSt 20230511105216.0 210423s2005 xx 000 0 und d 8131509478 AL eng 547 BROW 23 BROWN (William H);others. 102495 Understanding organic chemistry. USA Cengage Learning 2005 1082 PB 499 INR chemistry. ; organic ; Understanding ddc BK 164142 164142 0 0 0 0 BIOC SACPG SACPG 2009-11-25 Knowledge World 499.00 0 547 BROW PG010640 2022-08-24 00:00:00 2021-04-26 BK