Figure 6
The proposed fragmentation behaviours of tetrahydroprotoberberine, N-methyltetrahydroprotoberberine and protopine (a), morphinan (b), and phthalideisoquinoline (c).
Figure 6 | Scientific Reports
The proposed fragmentation behaviours of tetrahydroprotoberberine, N-methyltetrahydroprotoberberine and protopine (a), morphinan (b), and phthalideisoquinoline (c).
