IUPAC:(1R,9R,10R,11S,14S,16R)-10-ethyl-14-methyl-3-[(2R,4S)-4-methyl-5-oxooxolan-2-yl]-12-oxa-4-azatetracyclo[7.6.1.0^{4,16}.0^{11,15}]hexadecan-13-one
IUPAC:(1R,9R,10R,11S,14S,16R)-10-ethyl-14-methyl-3-[(2R,4S)-4-methyl-5-oxooxolan-2-yl]-12-oxa-4-azatetracyclo[7.6.1.0^{4,16}.0^{11,15}]hexadecan-13-one