bepalen van 2-pyridon-N-methylnicotinamide-ratio (verrichting) | | bepalen van 2-pyridon-N-methylnicotinamide-ratio | | bepalen van ratio tussen 2-pyridon en N-methylnicotinamide bepalen van verhouding tussen 2-pyridon en N-methylnicotinamide
| | 2-pyridone/n'-methylnicotinamide ratio measurement |
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