Now I have told you earlier that whenever you have this better way, it is write that carbonyl carbon is in the plane of board then these two carbons one will be so this is vertically placed, so the R1 this is vertical to the double bond to the board, so that is placed along this line.
ಆದ್ದರಿಂದ ಆರ್1 ಇದು ಬೋರ್ಡ್ ಗೆಗೆ ಡಬಲ್ ಬೊಂಡ್ ಗೆಗೆ ವರ್ಟಿಕಲಆಗಿದೆ, ಆದ್ದರಿಂದ ಅದನ್ನು ಈ ಸಾಲಿನ ಉದ್ದಕ್ಕೂ ಇರಿಸಲಾಗುತ್ತದೆ.