67-56-1
甲醇
+
204918-48-9
→
~64%
22224-39-1
COUMERMYCIN A1
108-24-7
乙酸酐
56607-40-0
.alpha.-D-Arabinofuranoside, methyl
64609-15-0
2,3,5-tri-O-acetyl-D-arabinofuranose
61826-42-4
ethyl 4,6-di-O-acetyl-2,3-dideoxy-α/β-D-erythro-hex-2-enopyranoside