ethyl 4-chloro-5-methylthieno[2,3-d]pyrimidine-6-carboxylate 的分子结构, CAS编号: 101667-98-5
ethyl 4-chloro-5-methylthieno[2,3-d]pyrimidine-6-carboxylate 的分子结构, CAS编号: 101667-98-5ethyl 4-chloro-5-methylthieno[2,3-d]pyrimidine-6-carboxylate 的分子结构, CAS编号: 101667-98-5