Shop › 4-Chloro-7-(4-Methylbenzenesulfonyl)-7H-Pyrrolo[2,3-d]Pyrimidine - 1g 4-Chloro-7-(4-Methylbenzenesulfonyl)-7H-Pyrrolo[2,3-d]Pyrimidine - 1g $0.00 Sold Out Sold Out Added!