I am using OB and SmartsPattern fetching in 2D compounds, and need to fetch a published SMARTS which looks like the following:
[CX4;H]([#6 × 4,c,F,Cl,Br,I])([#6 × 4,c,F,Cl,Br,I])[#6 × 4,c,F,Cl,Br,I] and there are actually spaces around the × symbols between the 6 and 4. Question is, should I change this multiplication notation to a lower case "x", delete the spaces, or really use some sort of ASCII symbol which represents multiplication? I didn't see a multiplication symbol anywhere in the Daylight SMARTS description.
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