2 1 0 0000 0 0 0 0 0999 V2000 2.5369 -0.2500 0.0000 C 0 5 0 0 0 0 0 0 0 0 0 3.4030 0.2500 0.0000 C 0 5 0 0 0 0 0 0 0 0 0 1 2 1 0 M CHG 2 1 -1 2 -1 M END > InChI=1S/C2H4/c1-2/h1-2H2/q-2 > NYKFCVZKWNEZFK-UHFFFAOYSA-N > 1/0/N:1,2/E:(1,2)/CRV:1-1,2-1/rA:6nC-C-HHHH/rB:s1;s1;s1;s2;s2;/rC:2.5369,-.25,0;3.403,.25,0;2,.06,0;2.5369,-.87,0;3.9399,-.06,0;3.403,.87,0; > C2 H4 > 28.05316 > [C-]([H])([H])[C-]([H])[H] > 91320 $$$$