ChEBI 2 1 0 0 0 0 0 0 0 0 1 V2000 8.7091 -5.3534 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 10.0391 -5.3667 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 2 1 3 0 0 0 0 M END > CHEBI:27518 > acetylene > 3 > CHEBI:22199; CHEBI:42285; CHEBI:2419 > vinylene; Narcylen; HCCH; HC#CH; ethyne; Ethyne; Ethin; CH#CH; C2H2; Azetylen; acetylene; acetylene; Acetylene; Acetylen; [CH(CH)] > ethyne; acetylene > C2H2 > 26.03728 > 26.01565 > 0 > C#C > InChI=1S/C2H2/c1-2/h1-2H > HSFWRNGVRCDJHI-UHFFFAOYSA-N > 906677 > 74-86-2 > 210 > 74-86-2 > C01548 > 936 > 74-86-2 $$$$