105227-99-4
(4S,5S)-4-(1,3-dithian-2-yl)-2,2,5-trimethyl-1,3-dioxolane
→
125378-82-7
(3S,4S)-3,4-O-isopropylidene-1-acetoxy-3,4-dihydroxypentan-2-one
22150-76-1
L-生物蝶呤