Marvin 05170622152D 4 4 0 0 0 0 999 V2000 0.4125 0.4125 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 -0.4125 0.4125 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 -0.4125 -0.4125 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 0.4125 -0.4125 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 0 0 0 0 4 1 1 0 0 0 0 3 2 1 0 0 0 0 4 3 1 0 0 0 0 M END > CHEBI:30377 > cyclobutane > 3 > cyclobutane > C4H8 > 56.10632 > 56.06260 > 0 > C1CCC1 > InChI=1S/C4H8/c1-2-4-3-1/h1-4H2 > PMPVIKIVABFJJI-UHFFFAOYSA-N > 1900183 > 287-23-0 > 81684 > 287-23-0 > 287-23-0 $$$$