Synonyms: 2H,6H-Oxireno[3',4']pyrano[3',2':5,6]naphtho[1,2-c][1]benzazocine-8,14(7H,13H)-dione,11-(1,1-dimethyl-2-propenyl)-3,3a,4b,5,6a,14a,14b,15,16,16a-decahydro-3,4b-dihydroxy-14a,14b-dimethyl-2-(1-methylethenyl)-,[2R-(2a,3a,3aa,4aS*,4bb,6aa,14ab,14ba,16ab)]-; (+)-SulpinineC; Sulpinine C