00290    a2200109   450000500170000002000180001708400150003510000150005024500500006526000550011530000100017020260624214745.0  a9789393159946  2CCaE:28    aKALSI, P S  aStereochemistry :bConformation and mechanism  bNew age International publishers, c2022,aLondon.  a664p.