Showing structure for (1r,3s,9r,10r,11s,14s,15s,16s)-10-ethyl-14-methyl-3-[(2s,4s)-4-methyl-5-oxooxolan-2-yl]-12-oxa-4-azatetracyclo[7.6.1.0⁴,¹⁶.0¹¹,¹⁵]hexadecan-13-one