| 英文同义词: | cyclobutyldithymidine dimers;Cyclobuta[1,2-d:4,3-d']dipyrimidine-2,4,5,7(3H,6H)-tetrone, 1,8-bis(2-deoxy-β-D-erythro-pentofuranosyl)hexahydro-4a,4b-dimethyl-, (4aα,4bα,8aα,8bα)-;(4aα,4bα,8aα,8bα)-1,8-Bis(2-deoxy-β-Derythro-pentofuranosyl)hexahydro-4a,4bdimethylcyclobuta[ |