3-[(3aS,6R,7aS)-3-(3-Amino-propyl)-6-methyl-4-oxo-1,4,5,6,7,7a-hexahydro-inden-3a-yl]-propionic acid 2,5-dioxo-pyrrolidin-1-yl ester; compound with trifluoro-acetic acid

(1S,2S,4R,6S)-2-Hydroxy-4-methyl-13-aza-tricyclo[7.7.0.01,6]hexadec-8-en-14-one

2,2,2-Trifluoro-1-((1S,2S,4R,6S)-2-hydroxy-4-methyl-13-aza-tricyclo[7.7.0.01,6]hexadec-8-en-13-yl)-ethanone