Lysergamides

Amides of lysergic acid are collectively known as lysergamides.^[1][2][3]

Lysergamides, tabulated by structure

Name	R1	R6	R2	R3
LSA / LAA	H	CH3	H	H
DAM-57	H	CH3	CH3	CH3
Ergometrine (Ergonovine)	H	CH3	CH(CH3)CH2OH	H
Ergotamine	H	CH3	--	C17H18N2O4
Methergine	H	CH3	CH(CH2CH3)CH2OH	H
Methysergide	CH3	CH3	CH(CH2CH3)CH2OH	H
LAE-32	H	CH3	CH2CH3	H
LSB	H	CH3	CH(CH3)CH2CH3	H
LSP	H	CH3	CH(CH2CH3)CH2CH3	H
DAL	H	CH3	H2C=CH-CH2	H2C=CH-CH2
MIPLA	H	CH3	CH(CH3)2	CH3
EIPLA	H	CH3	CH(CH3)2	CH2CH3
MPLA	H	CH3	CH2CH2CH3	CH3
LSD / LAD	H	CH3	CH2CH3	CH2CH3
ETH-LAD	H	CH2CH3	CH2CH3	CH2CH3
PARGY-LAD	H	HC≡C−CH2	CH2CH3	CH2CH3
AL-LAD	H	H2C=CH-CH2	CH2CH3	CH2CH3
PRO-LAD	H	CH2CH2CH3	CH2CH3	CH2CH3
CYP-LAD	H	C3H5	CH2CH3	CH2CH3
BU-LAD	H	CH2CH2CH2CH3	CH2CH3	CH2CH3
ALD-52	COCH3	CH3	CH2CH3	CH2CH3
1P-LSD	COCH2CH3	CH3	CH2CH3	CH2CH3
1P-ETH-LAD	COCH2CH3	CH2CH3	CH2CH3	CH2CH3
MLD-41	CH3	CH3	CH2CH3	CH2CH3
LSM-775	H	CH3	CH2CH2-O-CH2CH2
LPD-824	H	CH3	CH2CH2 CH2CH2
LSD-Pip	H	CH3	CH2CH2 CH2CH2CH2
LA-SS-Az	H	CH3	CH2(CHCH3)2CH2

References

1. Hofmann A. Psychotomimetic Drugs: Chemical and Pharmacological Aspects. Acta. Physiol. Pharmacol. Neerlandica. 1959;8:240-258.
2. US patent 2997470, Richard P. Pioch, "LYSERGIC ACID AMIDES", published 1956-03-05, issued 1961-08-22 
3. David E. Nichols. LSD and Its Lysergamide Cousins. The Heffter Review of Psychedelic Research. 2001;2:80-87.