Cyclobutanone, ID: C1191953 NIST 24032813412D 1 1.00000 0.00000 Copyright by the U.S. Sec. Commerce on behalf of U.S.A. All rights reserved. 5 5 0 0 0 1 V2000 0.8947 1.4912 0.0000 C 0 0 0 0 0 0 0 0 0 1.8888 1.4912 0.0000 C 0 0 0 0 0 0 0 0 0 0.8947 0.4971 0.0000 C 0 0 0 0 0 0 0 0 0 1.8888 0.4971 0.0000 C 0 0 0 0 0 0 0 0 0 0.0000 0.0000 0.0000 O 0 0 0 0 0 0 0 0 0 2 1 1 0 0 0 1 3 1 0 0 0 4 2 1 0 0 0 3 4 1 0 0 0 3 5 2 0 0 0 M END