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Table 3 Some alkaloid classes with branched chains found in M. rubriventrisa

From: Alkaloids from single skins of the Argentinian toad Melanophryniscus rubriventris (ANURA, BUFONIDAE): An unexpected variability in alkaloid profiles and a profusion of new structures

Collection 1 2 3 4 5 6 7 8 9 10
PTX 20 16 16 16 8 4 5 11 7 4
Tri 11 8 4 9 5 7 16 10 2 2
5,8-I + 5,6,8-I 4 7 3 4 3 2 8 4 0 1
  1. aIncludes diastereomers.