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Items: 1 to 20 of 139

1.

Identification of a new tadalafil analogue found in a dietary supplement.

Lee ES, Kim JW, Lee JH, Han KM, Cho S, Hwang I, Han SY, Chae K, Kim J.

Food Addit Contam Part A Chem Anal Control Expo Risk Assess. 2013;30(4):621-6. doi: 10.1080/19440049.2013.766766.

PMID:
23419124
2.

Structural elucidation of a tadalafil analogue found as an adulterant of a herbal product.

Zou P, Hou P, Low MY, Koh HL.

Food Addit Contam. 2006 May;23(5):446-51.

PMID:
16644591
3.

Structural elucidation of a tadalafil analogue found in a dietary supplement.

Hasegawa T, Saijo M, Ishii T, Nagata T, Haishima Y, Kawahara N, Goda Y.

Shokuhin Eiseigaku Zasshi. 2008 Aug;49(4):311-5.

4.

Isolation and structural elucidation of cyclopentynafil and N-octylnortadalafil found in a dietary supplement.

Hasegawa T, Takahashi K, Saijo M, Ishii T, Nagata T, Kurihara M, Haishima Y, Goda Y, Kawahara N.

Chem Pharm Bull (Tokyo). 2009 Feb;57(2):185-9.

5.

Detection of a tadalafil analogue as an adulterant in a dietary supplement for erectile dysfunction.

Ulloa J, Sambrotta L, Redko F, Mazza ON, Garrido G, Becher EF, Muschietti L.

J Sex Med. 2015 Jan;12(1):152-7. doi: 10.1111/jsm.12759.

PMID:
25402198
6.

Identification of a new tadalafil analogue in an adulterated dietary supplement: trans-Bisprehomotadalafil.

Lee JH, Kim HJ, Mandava S, Hwang J, Park HJ, Cho S, Baek SY, Lee J.

J Pharm Biomed Anal. 2015 Nov 10;115:352-8. doi: 10.1016/j.jpba.2015.07.023.

PMID:
26275720
7.

Screening of synthetic PDE-5 inhibitors and their analogues as adulterants: analytical techniques and challenges.

Patel DN, Li L, Kee CL, Ge X, Low MY, Koh HL.

J Pharm Biomed Anal. 2014 Jan;87:176-90. doi: 10.1016/j.jpba.2013.04.037. Review.

PMID:
23721687
9.

Identification and structural elucidation of three new tadalafil analogues found in a dietary supplement.

Lee JH, Mandava S, Baek SY, Lee YM.

J Pharm Biomed Anal. 2016 May 10;123:1-9. doi: 10.1016/j.jpba.2015.10.039.

PMID:
26855379
10.

Isolation and structural characterization of two tadalafil analogs found in dietary supplements.

Toomey VM, Litzau JJ, Flurer CL.

J Pharm Biomed Anal. 2012 Feb 5;59:50-7. doi: 10.1016/j.jpba.2011.09.038.

PMID:
22055930
11.

Separation and structural elucidation of a new tadalafil analogue diethylaminopretadalafil included as an adulterant in a dietary supplement.

Zhang G, Yu Y, Wu X, Li J.

J Pharm Biomed Anal. 2014 Jun;94:210-4. doi: 10.1016/j.jpba.2014.01.043.

PMID:
24631840
12.

Identification of a new tadalafil analogue in commercial dietary supplements: isopropylnortadalafil.

Park HN, Lee JH, Park SK, Lee J, Baek SY.

Food Addit Contam Part A Chem Anal Control Expo Risk Assess. 2017 Feb;34(2):162-169. doi: 10.1080/19440049.2016.1263878.

PMID:
28004593
13.

Isolation and structural elucidation of a new tadalafil analogue in health supplements: bisprenortadalafil.

Lee JH, Park HN, Ganganna B, Jeong JH, Park SK, Lee J, Baek SY.

Food Addit Contam Part A Chem Anal Control Expo Risk Assess. 2016 Jun;33(6):945-52. doi: 10.1080/19440049.2016.1179134.

PMID:
27167568
14.

Identification of N-octylnortadalafil and its Stereoisomers in Dietary Supplements with Chiral Liquid Chromatography-Circular Dichroism.

Sakamoto M, Kishimoto K, Saito Y, Suzuki I, Moriyasu T.

Chirality. 2016 Mar;28(3):204-8. doi: 10.1002/chir.22570.

PMID:
26769592
15.

Separation and identification of a novel tadalafil analogue adulterant in a dietary supplement.

Huang YC, Lee HC, Lin YL, Li CY, Tsai CF, Cheng HF.

Food Addit Contam Part A Chem Anal Control Expo Risk Assess. 2016;33(2):179-85. doi: 10.1080/19440049.2015.1125531.

PMID:
26635133
17.

Identification of a new tadalafil analogue, dipropylaminopretadalafil, in a dietary supplement.

Huang YC, Lee HC, Lin YL, Tsai CF, Cheng HF.

Food Addit Contam Part A Chem Anal Control Expo Risk Assess. 2016 Jun;33(6):953-8. doi: 10.1080/19440049.2016.1184530.

PMID:
27143524
18.

Identification of a new sildenafil analogue in a health supplement.

Ge X, Li L, Koh HL, Low MY.

J Pharm Biomed Anal. 2011 Nov 1;56(3):491-6. doi: 10.1016/j.jpba.2011.06.004.

PMID:
21726974
19.

Identification of novel sildenafil-analogues in an adulterated herbal food supplement.

Wollein U, Eisenreich W, Schramek N.

J Pharm Biomed Anal. 2011 Dec 5;56(4):705-12. doi: 10.1016/j.jpba.2011.07.012.

PMID:
21821375
20.

Isolation and characterization of propoxyphenyl linked sildenafil and thiosildenafil analogues in health supplements.

Kee CL, Ge X, Koh HL, Low MY.

J Pharm Biomed Anal. 2012 Nov;70:265-72. doi: 10.1016/j.jpba.2012.07.008.

PMID:
22840979

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