Copulins (female pher-[hor]omones, i.e., hormones which assist females to control males)

http://pheromonesguru.com/copulins/ negative effects of over-application

http://www.kinsleyresearch.com/coppulins.html cunnilingus creating addiction to copulins

http://ahotteru.com/ahotteru_010.htm

http://thehairpin.com/2013/09/one-weird-trick-to-control-your-boyfriends-mind/

http://www.personalpowermeditation.com/forum/sex/copulins-a-closer-look/

https://groups.yahoo.com/neo/groups/copulins/info

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6 different copulin chemicals :

1. propanoic acid aka propionic acid: COOHCH2CH3
2. butanoic acid aka butyric acid: COOH(CH)2CH3
3. 2-methylpropanoic acid aka isobutyric acid: COOHCH2(CH2)CH3
4. pentanoic acid aka valeric acid: COOH(CH2)3CH3
5. 3-methylbutanoic acid aka isovaleric acid: COOHCH3CH2(CH3)CH3
6. hexanoic acid aka caproic acid: COOH(CH2)4CH3

http://www.pheromonesworld.com/en/copulins.php

chemistry of copulins (from http://www.pheromonetalk.com/copulins-bit-confused-34146.html) :-

EUROPEAN JOURNAL OF OBSTETRICS & GYNECOLOGY AND REPRODUCTIVE BIOLOGY, Volume 118, Issue 2, Pages 135 -142. K.Grammer, B.Fink, N.Neave

Juette A. Weibliche Pheromone - Wirkung und Rolle von synthetischen "Kopulinen" bei der versteckten Ovulation des Menschen. Diplomarbeit an der UniversitÃ¤t Wien; 1995.

Michael RP, Bonsall RW, Warner P. "Human vaginal secretions : Volatile fatty acid content". SCIENCE 1974; 186:1217-9.

"Volatile fatty acids, “copulins”, in human vaginal secretions" PSYCHONEUROENDOCRINOLOGY

Volume 1, Issue 2, Pages 153–163, 1975. http://www.psyneuen-journal.com/article/0306-4530(75)90007-4/abstract

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Copulins (and other pheromones) are detected by vomeronasal organ (which is functional in humans).

D. L. Berliner : "The functionality of the human vomeronasal organ (VNO)". JOURNAL OF STEROID BIOCHEMISTRY AND MOLECULAR BIOLOGY 06/1996; 58(3):259-65. http://www.researchgate.net/publication/14369554_The_functionality_of_the_human_vomeronasal_organ_(VNO)_evidence_for_steroid_receptors

{There is no associated nerve, indicating a chemical (instead of electrical) communication to the brain via [flow through capillaries of] the vascular haimatic system -- which would explain why such a long time (some minutes) is required to produce an effect, by this means, on persons of the opposite gendre.}