20594-30-3
4-甲基-1,5,6,7-四氢-2H-环戊并[b]-吡啶-2-酮
→
~93%
267242-99-9
2-chloro-4-methyl-6,7-dihydro-5H-cyclopenta[b]pyridine
120-92-3
环戊酮