How to Use "herein" with Example Sentences

1. However , herein lies the key challenge .

2. Party a shall maintain the confidential information herein .

3. The information provided herein is true complete and correct .

4. Herein the synthesis and optical resolution of inherently chiral calixarenes and their applications in enantioselective recognition and asymmetric catalysis are reviewed .

5. But herein lies precisely the problem .