| Label | Id | |
|---|---|---|
| Apoferritin | 2784 | |
| Apohyoscine | 2785 | |
| Apotransferrin | 2786 | |
| Apovincamine | 2787 | |
| Arachidonoyl-EA(d8) | 178530 | |
| Arg-Asn-Leu | 158781 | |
| Arg-Asn-Lys | 158783 | |
| Arg-Asn-Met | 158785 | |
| Arg-Asn-Phe | 158787 | |
| Arg-Asn-Pro | 158789 | |
| Arg-Cys-Val | 158878 | |
| Arg-Met-Leu | 159178 | |
| Arg-Ser-Ala | 159278 | |
| Arg-Trp-Leu | 159378 | |
| Arginyl-Alanine | 178612 |