Patent ID: 8530479

Claim:
A deuterium-enriched compound of formula I and II, or the pharmaceutically acceptable salt thereof, wherein: R 1 -R 34 of formula I are independently selected from H and D; R 1 -R 38 of formula II are independently selected from H and D; R 25 in both formula I and II is independently selected from H, D and CD 3 ; and the abundance of deuterium in compounds of formula I or formula II is at least 1%, 2%, 3%, 4%, 5%, 6%, 7%, 3%, 9%, 10%, 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19%, 20%, 21%, 22%, 23%, 24%, 25%, 26%, 27%, 28%, 29%, 30%, 31%, 32%, 33%, 34%, 35%, 36%, 37%, 38%, 39%, 40%, 41%, 42%, 43%, 44%, 45%, 46%, 47%, 48%, 49%, 50%, 51%, 52%, 53%, 545, 55%, 56%, 57%, 58%, 59%, 60%, 61%, 62%, 63%, 64%, 65%, 66%, 67%, 68%, 69%, 70%, 71%, 72%, 73%, 74%, 755, 76%, 77%, 78%, 79%, 80%, 81%, 81%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% and 100%.