异构现象 ISOMERISM Same molecular formula SOMERS Atomic connectivities 立体异构体 ame Different STRUCTURAL STEREOISOMERS Mirror ISOMERS Images Non-mirror 构造异构体 Imag ENANTIOMERS frelated by inversion) DIASTEREOMERS非对映异构体 对映异构体 eg: GEOMETRIC ISOMERS (related by rotation) LIYING 2021/2/10LIYING 2021/2/10 ISOMERISM eg: GEOMETRIC ISOMERS (related by rotation) DIASTEREOMERS Non-mirror images ENANTIOMERS (related by inversion) Mirror images STEREOISOMERS STRUCTURAL ISOMERS Same Different Atomic connectivities Same molecular formula ISOMERS 异构现象 构造异构体 非对映异构体 立体异构体 对映异构体