Deuterium-Substituted 7-Substituted-2-(Benzylamino)-6-Ozopurine Compounds and Uses Thereof

A compound represented by Formula I:

• or a pharmaceutically acceptable salt thereof, wherein:
• each of Y1, Y2, Y3a, Y3b, Y4, Y5, Y6, Y7, Y8a, Y8b, Y9a, Y9b, Y10a, Y10b, Y11a, Y11b, Y12a, Y12b, Y13a and Y13b is independently selected from hydrogen or deuterium;
• and
• at least one of Y1, Y2, Y3a, Y3b, Y4, Y5, Y6, Y7, Y8a, Y8b, Y9a, Y9b, Y10a, Y10b, Y11a, Y11b, Y12a, Y12b, Y13a and Y13b is deuterium;
• The invention excludes the compound with Y1, Y2, Y3a, Y3b, Y4, Y5, Y6, Y7, Y8a, Y8b, Y9a, Y9b as hydrogen and Y10a, Y10b, Y11a, Y11b, Y12a, Y12b, Y13a and Y13b as deuterium.