| 11-(Phenylsulfonyl)-3-indoleboronic acid | 
|---|
| 21-(Phenylsulfonyl)-3-indoleboronic acid | 
| 11-(Phenylsulfonyl)-3-indoleboronic acid | 
|---|
| 21-(Phenylsulfonyl)-3-indoleboronic acid | 
| Column: | 
| Brand Name: Lux | 
| Part No: | 
| Phase Name: Cellulose-4 | 
| Sample Note: flow split to 0.25 mL/min into MS |