31. IFN-? is also made synthetically as medication in hairy cell leukemia. 32. There have been attempts to synthetically manufacture spider silk. 33. It can be derived from urine or synthetically produced. 34. There are natural sources of citranaxanthin, but it is generally prepared synthetically . 35. The drug is synthetically manufactured and refined at guarded facilities throughout Dominion space. 36. It is available commercially synthetically and is naturally present in eukaryotic cell membranes. 37. However, UDCA and TUDCA were first synthetically developed in 1954 in Japan. 38. Only under Lewis acid catalysis do these reactions occur under synthetically useful conditions. 39. DFP is synthetically made and is highly selective to Fe ( III ). 40. It was first isolated from marine sponge but has also been produced synthetically .
