18678-29-0
→
300816-24-4
1-chloro-3-methyl-7,8-dihydro-6H-cyclopenta[2,3]thieno[2,4-d]pyrimidine
4815-29-6
2-氨基-5,6-二氢-4H-环戊并[b]噻吩-3-甲酸乙酯