79099-07-3
N-叔丁氧羰基-4-哌啶酮
→
874801-60-2
tert-butyl 4-oxo-3,5,6,8-tetrahydropyrido[2,3]thieno[2,4-d]pyrimidine-7-carboxylate
946198-89-6
tert-butyl 4-chloro-6,8-dihydro-5H-pyrido[2,3]thieno[2,4-d]pyrimidine-7-carboxylate