108740-39-2
Neu5Ac methyl ester
→
121512-94-5
O-ethyl S-[methyl (5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-non-2-ulopyranosyl)onate] dithiocarbonate
73960-72-2
(2R,3R,4S)-3-乙酰氨基-4-乙酰氧基-2-((1R,2R)-1,2,3-三乙酰氧基丙基)-3,4-二氢-2H-吡喃-6-羧酸甲酯
121512-91-2
PER-O-ACETYL-α-THIOETHYL-N-ACETYLNEURAMINIC METHYL ESTER