1H-Cyclobuta[cd]pentalene,1a,3a,5a,5b-tetrahydro-1-(1-methylethylidene)- NIST 24032821162D 1 1.00000 0.00000 Copyright by the U.S. Sec. Commerce on behalf of U.S.A. All rights reserved. 12 14 0 0 0 1 V2000 3.4272 0.5878 0.0000 C 0 0 0 0 0 0 0 0 0 2.6181 0.0000 0.0000 C 0 0 0 0 0 0 0 0 0 1.8091 0.5878 0.0000 C 0 0 0 0 0 0 0 0 0 2.1181 1.5388 0.0000 C 0 0 0 0 0 0 0 0 0 1.8091 2.4898 0.0000 C 0 0 0 0 0 0 0 0 0 2.6181 3.0776 0.0000 C 0 0 0 0 0 0 0 0 0 3.4272 2.4898 0.0000 C 0 0 0 0 0 0 0 0 0 3.1181 1.5388 0.0000 C 0 0 0 0 0 0 0 0 0 1.5000 1.5388 0.0000 C 0 0 0 0 0 0 0 0 0 0.5000 1.5388 0.0000 C 0 0 0 0 0 0 0 0 0 0.0000 2.4049 0.0000 C 0 0 0 0 0 0 0 0 0 0.0000 0.6727 0.0000 C 0 0 0 0 0 0 0 0 0 2 1 2 0 0 0 3 2 1 0 0 0 3 4 1 0 0 0 4 5 1 0 0 0 6 5 1 0 0 0 7 6 2 0 0 0 8 7 1 0 0 0 1 8 1 0 0 0 4 8 1 0 0 0 9 3 1 0 0 0 5 9 1 0 0 0 10 11 1 0 0 0 10 12 1 0 0 0 9 10 2 0 0 0 M END