, Figure S6: 1 H-13 C HMBC NMR (300 MHz, MeOD) spectrum for 6,6 -bis-(debromo)-gelliusine F (1), Figure S7: HRMS spectrum for 6-bromo-8,1 -dihydro, Figure S8

H. Nmr, MeOD) spectrum for 6-bromo-8,1 -dihydro-isoplysin A (2), Figure S11: HSQC NMR (300 MHz, MeOD) spectrum for 6-bromo-8,1 -dihydro-isoplysin A (2), Figure S12: 1 H-13 C HMBC NMR (300 MHz, MeOD) spectrum for 6-bromo-8,1 -dihydro-isoplysin A (2), Figure S13: HRMS spectrum for 5,6-dibromo-8,1 -dihydro-isoplysin A (3), Figure S14: 1 H NMR (600 MHz, MeOD) spectrum for 5,6-dibromo-8,1 -dihydro-isoplysin A (3), Figure S15: 13 C NMR (600 MHz, MeOD) spectrum for 5,6-dibromo-8,1 -dihydro-isoplysin A (3), Figure S16: 1 H NMR (600 MHz, MeOD) spectrum for 8-oxo-tryptamine (4), Figure S17: 13 C NMR (600 MHz, MeOD) spectrum for 8-oxo-tryptamine (4), Figure S18: 1 H NMR (300 MHz, MeOD) spectrum for tryptamine (5), Figure S19: 13 C NMR (300 MHz, MeOD) spectrum for tryptamine (5), Figure S20: 1 H NMR (500 MHz, DMSO) spectrum for (E)-6-bromo-2 -demethyl-3 -N-methylaplysinopsine (6) and (Z)-6, Figure S9: 13 C NMR (300 MHz, MeOD) spectrum for 6-bromo-8,1 -dihydro-isoplysin A

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