ChemicalBook >?? ???? >2α-Benzyloxy-3β,4β-(isopropylidenedioxy)-6β-(3-oxobutyl)dihydro-2H-pyran-5(6H)-one

2α-Benzyloxy-3β,4β-(isopropylidenedioxy)-6β-(3-oxobutyl)dihydro-2H-pyran-5(6H)-one

2α-Benzyloxy-3β,4β-(isopropylidenedioxy)-6β-(3-oxobutyl)dihydro-2H-pyran-5(6H)-one ??? ???

???:: 2α-Benzyloxy-3β,4β-(isopropylidenedioxy)-6β-(3-oxobutyl)dihydro-2H-pyran-5(6H)-one

???(??):: 2α-Benzyloxy-3β,4β-(isopropylidenedioxy)-6β-(3-oxobutyl)dihydro-2H-pyran-5(6H)-one

2α-Benzyloxy-3β,4β-(isopropylidenedioxy)-6β-(3-oxobutyl)dihydro-2H-pyran-5(6H)-one ??

???( 0)?? ??

???	??	???	??	?? ?	??