Peter Pawlett's penalty is saved by St Mirren goalkeeper Vaclav Hladky.
Paul McGinn's effort evades Benjamin Siegrist.
Pavol Safranko's stuttering penalty is saved again by Hladky.
Mihai Popescu sends a fine penalty into the top corner.
Osman Sow sends his spot kick off the face of a post.
Callum Booth's awful penalty is straight at Hladky and the goalkeeper beats away the ball with his feet.