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# Tetrahydrocannabinol (isomeric), Ken Stewart, UKC, May 1988
R1:	ring pointing left double 6,1
	bond left from R1.V1 ; H
	bond left from R1.V2 ; H
	bond up from R1.V2 ; CH3
	bond up from R1.V3 ; H
	bond 60 from R1.V3 ; H
	bond 30 from R1.V4 ; H
	bond down from R1.V6 ; H
R2:	ring pointing left with .V1 at R1.V5 put O at 5 put C at 6
	bond 150 from R2.V6 ; CH3
	bond -150 from R2.V6 ; CH3
R3:	ring pointing left with .V1 at R2.V3 double 1,2 double 3,4 double 5,6
	bond up from R3.V2 ; O
	H above O
	bond right from R3.V4 ; C5H11(n)
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