isoalloxazine adenine dinucleotide

例句：

1. 1. DNA contains adenine and thymine, which are the building blocks of genetic information.
   DNA包含腺嘌呤和胸腺嘧啶，它们是遗传信息的基本组成部分。
2. 2. Adenine is a purine base that is found in DNA and RNA.
   腺嘌呤是一种嘌呤碱基，存在于DNA和RNA中。
3. 3. The discovery of adenine led to the development of modern medicine.
   发现腺嘌呤导致了现代医学的发展。