( )-Tonkinecin 174819-52-4 2(5H)-Furanone, 3-((3S,15R)-3,15-dihydroxy-15-((2R,5R)-tetrahydro-5-((1R)-1-hydroxytridecyl)-2-furanyl)pentadecyl)-5-methyl-, (5S)- 2(5H)-Furanone, 3-(3,15-dihydroxy-15-(tetrahydro-5-(1-hydroxytridecyl)-2-furanyl)pentadecyl)-5-methyl-, (2R-(2alpha(1(S*),3S*,15R*),5beta(R*)))-