C=CC(C)(C)c1[nH]c2ccccc2c1/C=C1\NC(=O)[C@]23C[C@H](c4c(c(C)cc(O)c4C(=O)OC)O2)[C@]2(CC(=O)C=C(OC)C2=O)N3C1=O	(-)-variecolortin A