RESIDUE 1Y9 33 CONECT O1 2 C2 H1 CONECT C2 4 O1 C3 C15 H2 CONECT C3 4 C2 C4 C6 C11 CONECT C4 3 C3 O5 H3 CONECT O5 1 C4 CONECT C6 4 C3 C7 H6 H7 CONECT C7 3 C6 C8 H8 CONECT C8 3 C7 C9 C10 CONECT C9 4 C8 H9 H10 H11 CONECT C10 4 C8 H12 H13 H14 CONECT C11 3 C3 C12 H15 CONECT C12 3 C11 C13 C15 CONECT C13 4 C12 O14 H18 H19 CONECT O14 2 C13 H20 CONECT C15 4 C2 C12 H21 H22 CONECT H1 1 O1 CONECT H2 1 C2 CONECT H3 1 C4 CONECT H6 1 C6 CONECT H7 1 C6 CONECT H8 1 C7 CONECT H9 1 C9 CONECT H10 1 C9 CONECT H11 1 C9 CONECT H12 1 C10 CONECT H13 1 C10 CONECT H14 1 C10 CONECT H15 1 C11 CONECT H18 1 C13 CONECT H19 1 C13 CONECT H20 1 O14 CONECT H21 1 C15 CONECT H22 1 C15 END HET 1Y9 33 HETSYN 1Y9 (1R,5S)-5-hydroxy-3-(hydroxymethyl)-1-(3-methylbut-2-en HETSYN 2 1Y9 -1-yl)cyclopent-2-ene-1-carbaldehyde HETNAM 1Y9 vibralactone, bound form FORMUL 1Y9 C12 H18 O3