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(+)-Naloxone — Systematic (IUPAC) name (1R,5S,13S,17R) 10,17 dihydroxy 4 (prop 2 en 1 yl) 12 oxa 4 azapentacyclo [9.6.1.01,13.05,17.07,18] octadeca 7(18),8,10 trien 14 one … Wikipedia