.\" RITALIN: Methylphenidate Hydrochloride
.cstart
.ps 15
size 15
	R1: ring double 1,2 3,4 5,6 pointing up
	bond 60 length .35 from R1.V2 ; BP
	bond 120 length .35 from BP
	R2: ring pointing up put N at 1
	H above R2
	bond up  length .35 from BP ; BP
	bond -60 length .35 from BP ; O
	bond up
	double bond 60 length .35 from BP ; O
.ps 10
.cend