917-54-4
甲基锂
+
92119-15-8
2-(1-cyclopenta-2,4-dien-1-ylideneethyl)oxirane
→
~64%
126899-48-7
(2,2-dimethylspiro[2.4]hepta-4,6-dien-1-yl)methanol
542-92-7
环戊二烯