31. Bristol-Myers Squibb Co . and Roche Holding AG also sell nucleoside analogues. 32. One " nucleoside analogue " _ FTC _ created by Triangle Pharmaceuticals. 33. The combination of interferon and another nucleoside antiviral agent may speed the healing process. 34. Transfer RNA ( tRNA ) molecules contain a particularly large number of modified nucleosides . 35. The use of nucleoside drugs such as abacavir can very rarely cause lactic acidosis. 36. Pseudouridylation is the isomerisation of the nucleoside uridine to the different isomeric form pseudouridine. 37. Pseudouridine is a modified nucleoside found within non-coding RNAs ( ncRNA ). 38. One perfect example : The new drug abacavir, a nucleoside analog formerly called 1592. 39. Nucleotides are nucleosides with phosphates added on. 40. The drug 3TC is another nucleoside analog.