From the 3-dimensional construction standpoint, the absence on the methylene spacer in U-47700 will allow The essential nitrogen and aromatic ring to think a spatial orientation similar to that of morphine, which confers selective conversation with MOR [16]. Conversely, the addition of the methylene spacer in U-50488 induces a “bending” https://5f-sdb005-drug84936.blogunteer.com/3074076/examine-this-report-on-al-lad-drug