RESIDUE HCC 31 CONECT C1 3 C2 C6 O19 CONECT C2 3 C1 C3 H2 CONECT C3 3 C2 C4 H3 CONECT C4 3 C3 C5 C7 CONECT C5 3 C4 C6 O10 CONECT C6 3 C1 C5 H6 CONECT C7 3 C4 C8 O17 CONECT C8 3 C7 C9 H8 CONECT C9 3 C8 C11 H9 CONECT O10 2 C5 H10 CONECT C11 3 C9 C12 C16 CONECT C12 3 C11 C13 H12 CONECT C13 3 C12 C14 H13 CONECT C14 3 C13 C15 O18 CONECT C15 3 C14 C16 H15 CONECT C16 3 C11 C15 H16 CONECT O17 1 C7 CONECT O18 2 C14 H18 CONECT O19 2 C1 H19 CONECT H2 1 C2 CONECT H3 1 C3 CONECT H6 1 C6 CONECT H8 1 C8 CONECT H9 1 C9 CONECT H10 1 O10 CONECT H12 1 C12 CONECT H13 1 C13 CONECT H15 1 C15 CONECT H16 1 C16 CONECT H18 1 O18 CONECT H19 1 O19 END HET HCC 31 HETNAM HCC 2',4,4'-TRIHYDROXYCHALCONE FORMUL HCC C15 H12 O4