Chloropretadalafil171489-59-1100 % similar Nortadalafil171596-36-467 % similar Tadalafil171596-29-567 % similar Aminotadalafil385769-84-664 % similar Methyl (1R,3R)-1-(1,3-benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-B]indole-3-carboxylate171596-41-160 % similar Methyl (1R,3R)-1-(benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate hydrochloride171752-68-457 % similar Yohimbine146-48-536 % similar Rsl31219810-16-835 % similar Rauwolscine hydrochloride6211-32-134 % similar Yohimbine hydrochloride65-19-034 % similar (R)-Tryptophan methyl ester monohydrochloride14907-27-832 % similar DL-Methyl tryptophanate monohydrochloride5619-09-032 % similar Deserpidine131-01-132 % similar Geissoschizine methyl ether60314-89-831 % similar 3′,4′-Methylenedioxymandelic acid27738-46-131 % similar 1-Methyl-1,2,3,4-tetrahydro-β-carboline-3-carboxylic acid5470-37-131 % similar Boc-D-1,2,3,4-tetrahydronorharman-3-carboxylic acid123910-26-931 % similar 1-Benzyl-2-(methoxycarbonyl)azetidine18085-37-530 % similar Ajmalicine483-04-530 % similar Tetrahydroalstonine6474-90-430 % similar