Methyl (1R,3R)-1-(1,3-benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-B]indole-3-carboxylate171596-41-1100 % similar Tadalafil171596-29-549 % similar Aminotadalafil385769-84-647 % similar 1-Methyl-1,2,3,4-tetrahydro-β-carboline-3-carboxylic acid5470-37-142 % similar Yohimbine146-48-535 % similar Methyl 1,2,3,4-tetrahydro-3-isoquinolinecarboxylate hydrochloride57060-88-535 % similar 3′,4′-Methylenedioxymandelic acid27738-46-134 % similar Rauwolscine hydrochloride6211-32-134 % similar Yohimbine hydrochloride65-19-034 % similar (R)-Tryptophan methyl ester monohydrochloride14907-27-833 % similar Lycoperodine-142438-90-433 % similar DL-Methyl tryptophanate monohydrochloride5619-09-033 % similar 1,2,3,4-Tetrahydro-β-carboline-3-carboxylic acid6052-68-233 % similar Tryptophan methyl ester hydrochloride7524-52-933 % similar N-(Triphenylmethyl)-L-serine methyl ester4465-44-532 % similar Deserpidine131-01-132 % similar Piperonyl isobutyrate5461-08-531 % similar Geissoschizine methyl ether60314-89-831 % similar Catharanthine2468-21-531 % similar Methysticin495-85-230 % similar