| Label | Id | |
|---|---|---|
| metanicotine, (Z)-isomer | C012419 | |
| (R-(R*,R*))-2,3-dihydroxybutanedioate salt metanicotine | C012419 | |
| metanicotine, (R-(R*,R*))-2,3-dihydroxybutanedioate salt | C012419 | 
| Label | Id | |
|---|---|---|
| metanicotine, (Z)-isomer | C012419 | |
| (R-(R*,R*))-2,3-dihydroxybutanedioate salt metanicotine | C012419 | |
| metanicotine, (R-(R*,R*))-2,3-dihydroxybutanedioate salt | C012419 |