514829-23-3
(2S,4S)-2-(tert-butyl)-5-oxo-1,3-dioxolane-4-acetic acid isopropyl ester
→
97-67-6
L-苹果酸
+
514829-25-5
(2S)-2-hydroxybutanedioic acid 4-isopropyl ester
67928-49-8
S-(-)-3-[2'-(β-N-Ethoxycarbonyl-N-methyl-aminoethyl)-4',5'-dimethoxy-phenyl]-6,7-dimethoxy-isochroman-1-on
→
97-67-6
L-苹果酸