If the order is reversed  the wrong regioisomer is given.
{"Image DocumentName": "If the order is reversed \uf0de the wrong regioisomer is given.", "Image ImageDescription": "This gives very poor yields anyway. F.C. is not effective on a deactivated ring.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}