(4a′S,7a′R,12b′S)-4a′,9′-dihydroxy-3′-methyl-1,1′,2′,3,3′,4′,4a′,5′-octahydrospiro[indene-2,6′-[4,12]methano[1]benzofuro[3,2-e]isoquinolin]-7′(7a′H)-one

(1′S,13′R,17′S)-10′,17′-Dihydroxy-4′-methyl-1,3-dihydro-14′H-spiro[indene-2,15′-[12]oxa[4]azapentacyclo[9.6.1.0~1,13~.0~5,17~.0~7,18~]octadeca[7(18),8,10]trien]-14′-one

(4a′S,7a′R,12b′S)-4a′,9′-dihydroxy-3′-methyl-1,1′,2′,3,3′,4′,4a′,5′-octahydrospiro[indene-2,6′-[4,12]methano[1]benzofuro[3,2-e]isoquinolin]-7′(7a′H)-one

7-(Spiroindano)Oxymorphone

7-spiroindanyloxymorphone

OPRD_HUMAN

OPRK_HUMAN

OPRM_HUMAN

Δ-type opioid receptor

κ-type opioid receptor

μ-type opioid receptor