Synonyms: Benzenepropanamide,a-amino-N-[10,11,12,13,14,15,16,17,18,19,20,21,22,23-tetradecahydro-19-methyl-16-(2-methylpropyl)-10,12,15,18,21-pentaoxo-11-(phenylmethyl)-11bH-5a,13-methano-5,24-metheno-5,9b,11a,14,17,20-hexaazabenzo[a]benzo[17,18]cyclononadeca[1,2,3-cd]pentalen-22-yl]-,[5aR-[5aR*,11S*,11bR*,13S*,16S*,19S*,22S*(S*)]]-; (-)-Kapakahine B; KapakahineB