Butyl 4-[(28S,30R)-29-phenyl-29-heptadecacyclo[10.8.8.813,17.55,28.04,22.08,32.09,30.016,40.020,35.021,36.023,33.024,37.025,31.026,38.027,41.028,30.034,39]hentetraconta-1(20),2,4,6,8,10,12,14,16,18,21,23,25(31),26,32,34,36,38,40-nonadecaenyl]butanoate
Reason:All