15956-91-9
dimethyl (1Z,3Z,5Z,7Z)-cycloocta-1,3,5,7-tetraene-1,2-dicarboxylate
→
13753-01-0
(1Z,3Z,5Z,7Z)-cycloocta-1,3,5,7-tetraene-1,2-dicarboxylic acid
762-42-5
丁炔二酸二甲酯
+
74-86-2
乙炔