| bonds -,=,# | rings 3..8, Ph is 1 | atoms C,N,O,P,S,F,L,B,I | groups t - tert.butyl, ft - CF3, y - nitro, a - COOMe |
| d - delete | Esc - return to the standard state (C, single bond) | ||
| molecule may by moved by "dragging" free space and rotated by pressing also the shift key | |||
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