Exact Mass: 481.2540702
Exact Mass Matches: 481.2540702
Found 136 metabolites which its exact mass value is equals to given mass value 481.2540702
,
within given mass tolerance error 0.01 dalton. Try search metabolite list with more accurate mass tolerance error
0.001 dalton.
N-Acetyl-leukotriene E4
C25H39NO6S (481.24979540000004)
N acetyl LTE4 is a minor metabolite of Leukotriene E4 in normal human subjects. (PMID: 2174886) [HMDB] N acetyl LTE4 is a minor metabolite of Leukotriene E4 in normal human subjects. (PMID: 2174886).
N-acetyl Leukotriene E4
C25H39NO6S (481.24979540000004)
deacetyl-19,20-epoxy-cytochalasin C
C28H35NO6 (481.24642500000004)
Ala Tyr Thr Lys
C22H35N5O7 (481.25363600000003)
Ala Thr Tyr Lys
C22H35N5O7 (481.25363600000003)
Phe Thr Ser Lys
C22H35N5O7 (481.25363600000003)
Ala Lys Thr Tyr
C22H35N5O7 (481.25363600000003)
Ala Lys Tyr Thr
C22H35N5O7 (481.25363600000003)
Ala Thr Lys Tyr
C22H35N5O7 (481.25363600000003)
Ala Tyr Lys Thr
C22H35N5O7 (481.25363600000003)
Phe Lys Ser Thr
C22H35N5O7 (481.25363600000003)
Phe Lys Thr Ser
C22H35N5O7 (481.25363600000003)
Phe Ser Lys Thr
C22H35N5O7 (481.25363600000003)
Phe Ser Thr Lys
C22H35N5O7 (481.25363600000003)
Phe Thr Lys Ser
C22H35N5O7 (481.25363600000003)
Lys Ala Thr Tyr
C22H35N5O7 (481.25363600000003)
Lys Ala Tyr Thr
C22H35N5O7 (481.25363600000003)
Lys Phe Ser Thr
C22H35N5O7 (481.25363600000003)
Lys Phe Thr Ser
C22H35N5O7 (481.25363600000003)
Lys Ser Phe Thr
C22H35N5O7 (481.25363600000003)
Lys Ser Thr Phe
C22H35N5O7 (481.25363600000003)
Lys Thr Ala Tyr
C22H35N5O7 (481.25363600000003)
Lys Thr Phe Ser
C22H35N5O7 (481.25363600000003)
Lys Thr Ser Phe
C22H35N5O7 (481.25363600000003)
Lys Thr Tyr Ala
C22H35N5O7 (481.25363600000003)
Lys Tyr Ala Thr
C22H35N5O7 (481.25363600000003)
Lys Tyr Thr Ala
C22H35N5O7 (481.25363600000003)
Ser Phe Lys Thr
C22H35N5O7 (481.25363600000003)
Ser Phe Thr Lys
C22H35N5O7 (481.25363600000003)
Ser Lys Phe Thr
C22H35N5O7 (481.25363600000003)
Ser Lys Thr Phe
C22H35N5O7 (481.25363600000003)
Ser Thr Phe Lys
C22H35N5O7 (481.25363600000003)
Ser Thr Lys Phe
C22H35N5O7 (481.25363600000003)
Thr Ala Lys Tyr
C22H35N5O7 (481.25363600000003)
Thr Ala Tyr Lys
C22H35N5O7 (481.25363600000003)
Thr Phe Lys Ser
C22H35N5O7 (481.25363600000003)
Thr Phe Ser Lys
C22H35N5O7 (481.25363600000003)
Thr Lys Ala Tyr
C22H35N5O7 (481.25363600000003)
Thr Lys Phe Ser
C22H35N5O7 (481.25363600000003)
Thr Lys Ser Phe
C22H35N5O7 (481.25363600000003)
Thr Lys Tyr Ala
C22H35N5O7 (481.25363600000003)
Thr Ser Phe Lys
C22H35N5O7 (481.25363600000003)
Thr Ser Lys Phe
C22H35N5O7 (481.25363600000003)
Thr Tyr Ala Lys
C22H35N5O7 (481.25363600000003)
Thr Tyr Lys Ala
C22H35N5O7 (481.25363600000003)
Tyr Ala Lys Thr
C22H35N5O7 (481.25363600000003)
Tyr Ala Thr Lys
C22H35N5O7 (481.25363600000003)
Tyr Lys Ala Thr
C22H35N5O7 (481.25363600000003)
Tyr Lys Thr Ala
C22H35N5O7 (481.25363600000003)
Tyr Thr Ala Lys
C22H35N5O7 (481.25363600000003)
Tyr Thr Lys Ala
C22H35N5O7 (481.25363600000003)
N-acetyl-LTE4
C25H39NO6S (481.24979540000004)
N-acetyl-Leukotriene E4
C25H39NO6S (481.24979540000004)
Deacetyl-19,20-epoxycytochalasin D
C28H35NO6 (481.24642500000004)
deacetyl-5,6-dihydro-7-oxo-19,20-epoxycytochalasin C
C28H35NO6 (481.24642500000004)
18-deoxy-21-oxo-deacetyl-19,20-epoxycytochalasin N
C28H35NO6 (481.24642500000004)
deacetyl-19,20-epoxycytochalasin C
C28H35NO6 (481.24642500000004)
2-Methyl-4-dibenzylaminobenzaldehyde-1,1-diphenylhydrazone
a 1-acyl-sn-glycero-3-phosphoglycerol (n-C16:1)
C22H42O9P- (481.2566312000001)
a 2-acyl-sn-glycero-3-phosphoglycerol (n-C16:1)
C22H42O9P- (481.2566312000001)
4-(2-(6-(Dibutylamino)-2-naphthalenyl)ethenyl)-1-(3-sulfopropyl)pyridinium hydroxide inner salt, >=95\\% (HPLC), solid
C28H37N2O3S+ (481.25247520000005)
Sceliphrolactam
C28H35NO6 (481.24642500000004)
A polyene macrocyclic lactam with formula C28H35NO6. It was isolated from an actinomycete, Streptomyces sp. and displays antifungal activity against amphotericin B-resistant Candida albicans. D000890 - Anti-Infective Agents > D000900 - Anti-Bacterial Agents > D007769 - Lactams
(8R,9R,10S)-9-[4-(1-cyclohexenyl)phenyl]-N-(2,5-difluorophenyl)-10-(hydroxymethyl)-1,6-diazabicyclo[6.2.0]decane-6-carboxamide
N-[(2R,3S)-2-[[cyclohexylmethyl(methyl)amino]methyl]-5-[(2R)-1-hydroxypropan-2-yl]-3-methyl-6-oxo-3,4-dihydro-2H-1,5-benzoxazocin-10-yl]methanesulfonamide
C24H39N3O5S (481.26102840000004)
N-[(5R,6R,9R)-5-methoxy-3,6,9-trimethyl-2-oxo-8-(1-oxopropyl)-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]benzamide
C27H35N3O5 (481.25765800000005)
N-[(4S,7S,8S)-5-acetyl-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]-2-phenylacetamide
C27H35N3O5 (481.25765800000005)
N-[(5S,6S,9R)-5-methoxy-3,6,9-trimethyl-2-oxo-8-propanoyl-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]benzamide
C27H35N3O5 (481.25765800000005)
N-[(4S,7S,8R)-5-acetyl-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]-2-phenylacetamide
C27H35N3O5 (481.25765800000005)
N-[(4R,7R,8S)-5-acetyl-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]-2-phenylacetamide
C27H35N3O5 (481.25765800000005)
2-[(3R,6aR,8S,10aR)-3-hydroxy-1-[(3-pyridin-4-ylphenyl)methyl]-3,4,6,6a,8,9,10,10a-octahydro-2H-pyrano[2,3-c][1,5]oxazocin-8-yl]-1-morpholin-4-ylethanone
C27H35N3O5 (481.25765800000005)
N-[(5R,6S,9S)-5-methoxy-3,6,9-trimethyl-2-oxo-8-(1-oxopropyl)-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]benzamide
C27H35N3O5 (481.25765800000005)
N-[(5S,6S,9S)-5-methoxy-3,6,9-trimethyl-2-oxo-8-propanoyl-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]benzamide
C27H35N3O5 (481.25765800000005)
N-[(5R,6R,9S)-5-methoxy-3,6,9-trimethyl-2-oxo-8-(1-oxopropyl)-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]benzamide
C27H35N3O5 (481.25765800000005)
N-[(4R,7R,8R)-5-acetyl-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]-2-phenylacetamide
C27H35N3O5 (481.25765800000005)
N-[(5S,6R,9R)-5-methoxy-3,6,9-trimethyl-2-oxo-8-(1-oxopropyl)-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]benzamide
C27H35N3O5 (481.25765800000005)
N-[(5R,6S,9R)-5-methoxy-3,6,9-trimethyl-2-oxo-8-propanoyl-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]benzamide
C27H35N3O5 (481.25765800000005)
N-[(4S,7R,8R)-5-acetyl-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]-2-phenylacetamide
C27H35N3O5 (481.25765800000005)
N-[(4R,7S,8R)-5-acetyl-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]-2-phenylacetamide
C27H35N3O5 (481.25765800000005)
2-[(3S,6aR,8S,10aR)-3-hydroxy-1-[(3-pyridin-4-ylphenyl)methyl]-3,4,6,6a,8,9,10,10a-octahydro-2H-pyrano[2,3-c][1,5]oxazocin-8-yl]-1-(4-morpholinyl)ethanone
C27H35N3O5 (481.25765800000005)
2-[(3R,6aS,8S,10aS)-3-hydroxy-1-[(3-pyridin-4-ylphenyl)methyl]-3,4,6,6a,8,9,10,10a-octahydro-2H-pyrano[2,3-c][1,5]oxazocin-8-yl]-1-morpholin-4-ylethanone
C27H35N3O5 (481.25765800000005)
N-[(4R,7S,8S)-5-acetyl-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]-2-phenylacetamide
C27H35N3O5 (481.25765800000005)
2-[(3S,6aR,8R,10aR)-3-hydroxy-1-[(3-pyridin-4-ylphenyl)methyl]-3,4,6,6a,8,9,10,10a-octahydro-2H-pyrano[2,3-c][1,5]oxazocin-8-yl]-1-(4-morpholinyl)ethanone
C27H35N3O5 (481.25765800000005)
2-[(3R,6aR,8R,10aR)-3-hydroxy-1-[(3-pyridin-4-ylphenyl)methyl]-3,4,6,6a,8,9,10,10a-octahydro-2H-pyrano[2,3-c][1,5]oxazocin-8-yl]-1-(4-morpholinyl)ethanone
C27H35N3O5 (481.25765800000005)
2-[(3S,6aS,8R,10aS)-3-hydroxy-1-[(3-pyridin-4-ylphenyl)methyl]-3,4,6,6a,8,9,10,10a-octahydro-2H-pyrano[2,3-c][1,5]oxazocin-8-yl]-1-(4-morpholinyl)ethanone
C27H35N3O5 (481.25765800000005)
N-[(2S,3R)-2-[[cyclohexylmethyl(methyl)amino]methyl]-5-[(2S)-1-hydroxypropan-2-yl]-3-methyl-6-oxo-3,4-dihydro-2H-1,5-benzoxazocin-10-yl]methanesulfonamide
C24H39N3O5S (481.26102840000004)
N-[(5S,6R,9S)-5-methoxy-3,6,9-trimethyl-2-oxo-8-(1-oxopropyl)-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]benzamide
C27H35N3O5 (481.25765800000005)
N-[(4S,7R,8S)-5-acetyl-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]-2-phenylacetamide
C27H35N3O5 (481.25765800000005)
2-[(3S,6aS,8S,10aS)-3-hydroxy-1-[(3-pyridin-4-ylphenyl)methyl]-3,4,6,6a,8,9,10,10a-octahydro-2H-pyrano[2,3-c][1,5]oxazocin-8-yl]-1-(4-morpholinyl)ethanone
C27H35N3O5 (481.25765800000005)
2-[(3R,6aS,8R,10aS)-3-hydroxy-1-[(3-pyridin-4-ylphenyl)methyl]-3,4,6,6a,8,9,10,10a-octahydro-2H-pyrano[2,3-c][1,5]oxazocin-8-yl]-1-(4-morpholinyl)ethanone
C27H35N3O5 (481.25765800000005)
(8R,9S,10R)-9-[4-(1-cyclohexenyl)phenyl]-N-(2,5-difluorophenyl)-10-(hydroxymethyl)-1,6-diazabicyclo[6.2.0]decane-6-carboxamide
(8S,9S,10R)-9-[4-(1-cyclohexenyl)phenyl]-N-(2,5-difluorophenyl)-10-(hydroxymethyl)-1,6-diazabicyclo[6.2.0]decane-6-carboxamide
BML1-E10
C25H39NO6S (481.24979540000004)
A leukotriene that is (7E,9E,11Z,14Z)-icosa-7,9,11,14-tetraenoic acid substituted by a hydroxy group at position 5 (5S) and an N-acetyl-L-cystein-S-yl group at position 6 (6R); it is a major bilary metabolite of cysteinyl leukotrienes.
(2s,3ar,9as,10ar)-9'-methoxy-1,1,5',5'-tetramethyl-3a-nitro-4,6,7,8,9,9a,10,10a-octahydro-3h-4'-azaspiro[cyclopenta[b]quinolizine-2,2'-tricyclo[6.3.1.0⁴,¹²]dodecane]-1'(11'),8'(12'),9'-triene-3',7'-dione
C27H35N3O5 (481.25765800000005)
n-{2-[5-(acetyloxy)-6-oxocyclohex-1-en-1-yl]-3-chloroprop-2-en-1-yl}-7-methoxytetradec-4-enimidic acid
C26H40ClNO5 (481.2594860000001)
(3z,5e,7e,9e,15z,17e,19e,21e)-2,4,11,12,13-pentahydroxy-7,19,25-trimethyl-1-azacyclohexacosa-1,3,5,7,9,15,17,19,21,23-decaen-14-one
C28H35NO6 (481.24642500000004)
(1r,6s,7r,8s,12s,13s,14s,16r,17r,18s)-18-benzyl-7,13,20-trihydroxy-6,8,14,16-tetramethyl-2,15-dioxa-19-azatetracyclo[10.8.0.0¹,¹⁷.0¹⁴,¹⁶]icosa-4,10,19-trien-3-one
C28H35NO6 (481.24642500000004)
7,20,21,22-tetrahydroxy-2,10,16-trimethyl-6h,9h,10h,16ah,18ah,20h,21h,22h,22ah,22bh-naphtho[1,2-i]azacyclooctadecane-5,19-dione
C28H35NO6 (481.24642500000004)
(1r,2r,15s,16s,25as)-1,15,16-trihydroxy-2,10,22-trimethyl-1h,2h,3h,6h,14h,15h,16h,25ah-pyrrolo[1,2-a]azacyclotricosane-5,7,17-trione
C28H35NO6 (481.24642500000004)
1,15,16-trihydroxy-2,10,22-trimethyl-1h,2h,3h,6h,14h,15h,16h,25ah-pyrrolo[1,2-a]azacyclotricosane-5,7,17-trione
C28H35NO6 (481.24642500000004)
(1r,2s,4s,7s,9r,10e,13r,15s,16s)-13-(acetyloxy)-4,8,8,11,15-pentamethyl-12-oxo-3-oxatetracyclo[11.3.0.0²,⁴.0⁷,⁹]hexadec-10-en-16-yl pyridine-3-carboxylate
C28H35NO6 (481.24642500000004)
(1r,2s,3s,5r,6r,8s,10e,12r,13s,16s,17s)-17-benzyl-2,6,13,19-tetrahydroxy-6,8,14,15-tetramethyl-4-oxa-18-azatetracyclo[10.7.0.0¹,¹⁶.0³,⁵]nonadeca-10,14,18-trien-7-one
C28H35NO6 (481.24642500000004)
(5ar,7ar,9s,11as,11bs,12r)-12-hydroxy-5a,8,8,11a-tetramethyl-1-oxo-3-(pyridin-3-yl)-6,7,7a,9,10,11,11b,12-octahydro-2,5-dioxatetraphen-9-yl propanoate
C28H35NO6 (481.24642500000004)
12-hydroxy-5a,8,8,11a-tetramethyl-1-oxo-3-(pyridin-3-yl)-6,7,7a,9,10,11,11b,12-octahydro-2,5-dioxatetraphen-9-yl propanoate
C28H35NO6 (481.24642500000004)
(1r,2s,3s,5r,6r,8s,10e,12r,13s,15r,16s,17s,18s)-18-benzyl-2,6,20-trihydroxy-6,8,15,16-tetramethyl-4,14-dioxa-19-azapentacyclo[10.8.0.0¹,¹⁷.0³,⁵.0¹³,¹⁵]icosa-10,19-dien-7-one
C28H35NO6 (481.24642500000004)
(10r,16as,18ar,20s,21s,22r,22as,22br)-7,20,21,22-tetrahydroxy-2,10,16-trimethyl-6h,9h,10h,16ah,18ah,20h,21h,22h,22ah,22bh-naphtho[1,2-i]azacyclooctadecane-5,19-dione
C28H35NO6 (481.24642500000004)
(1r,2s,3s,5s,6r,8s,10e,12r,14r,15s,16r,17s)-17-benzyl-2,6,19-trihydroxy-6,8,14,15-tetramethyl-4-oxa-18-azatetracyclo[10.7.0.0¹,¹⁶.0³,⁵]nonadeca-10,18-diene-7,13-dione
C28H35NO6 (481.24642500000004)
3-({3-[(3s,6s,9s,14as)-1,4,7-trihydroxy-3-isopropyl-9-methyl-10-oxo-3h,6h,9h,12h,13h,14h,14ah-pyrrolo[1,2-a]1,4,7,10-tetraazacyclododecan-6-yl]propyl}-c-hydroxycarbonimidoyl)propanoic acid
C22H35N5O7 (481.25363600000003)
18-benzyl-2,6,20-trihydroxy-6,8,15,16-tetramethyl-4,14-dioxa-19-azapentacyclo[10.8.0.0¹,¹⁷.0³,⁵.0¹³,¹⁵]icosa-10,19-dien-7-one
C28H35NO6 (481.24642500000004)
(5as,7ar,9s,11as,11br,12s)-12-hydroxy-5a,8,8,11a-tetramethyl-1-oxo-3-(pyridin-3-yl)-6,7,7a,9,10,11,11b,12-octahydro-2,5-dioxatetraphen-9-yl propanoate
C28H35NO6 (481.24642500000004)
(10e)-18-benzyl-8,20-dihydroxy-6,8,15,16-tetramethyl-2,14-dioxa-19-azatetracyclo[10.8.0.0¹,¹⁷.0¹³,¹⁵]icosa-10,19-diene-3,7-dione
C28H35NO6 (481.24642500000004)
17-benzyl-2,6,13,19-tetrahydroxy-6,8,14,15-tetramethyl-4-oxa-18-azatetracyclo[10.7.0.0¹,¹⁶.0³,⁵]nonadeca-10,14,18-trien-7-one
C28H35NO6 (481.24642500000004)
2,4,11,12,13-pentahydroxy-7,19,25-trimethyl-1-azacyclohexacosa-1,3,5,7,9,15,17,19,21,23-decaen-14-one
C28H35NO6 (481.24642500000004)
(1r,2s,15s,16s,25as)-1,15,16-trihydroxy-2,10,22-trimethyl-1h,2h,3h,6h,14h,15h,16h,25ah-pyrrolo[1,2-a]azacyclotricosane-5,7,17-trione
C28H35NO6 (481.24642500000004)
(3z,5e,7e,9e,15z,17e,19e,21e,23e)-2,4,11,12,13-pentahydroxy-7,19,25-trimethyl-1-azacyclohexacosa-1,3,5,7,9,15,17,19,21,23-decaen-14-one
C28H35NO6 (481.24642500000004)
(10e)-18-benzyl-20-hydroxy-8-(hydroxymethyl)-6,15,16-trimethyl-2,14-dioxa-19-azatetracyclo[10.8.0.0¹,¹⁷.0¹³,¹⁵]icosa-10,19-diene-3,7-dione
C28H35NO6 (481.24642500000004)
(3e,5e,7e,9e,15z,17e,19e,21e,23e)-2,4,11,12,13-pentahydroxy-7,19,25-trimethyl-1-azacyclohexacosa-1,3,5,7,9,15,17,19,21,23-decaen-14-one
C28H35NO6 (481.24642500000004)
13-(acetyloxy)-4,8,8,11,15-pentamethyl-12-oxo-3-oxatetracyclo[11.3.0.0²,⁴.0⁷,⁹]hexadec-10-en-16-yl pyridine-3-carboxylate
C28H35NO6 (481.24642500000004)
(1r,2s,3s,5r,6r,8s,10e,12r,13s,15r,16s,17r,18s)-18-benzyl-2,6,20-trihydroxy-6,8,15,16-tetramethyl-4,14-dioxa-19-azapentacyclo[10.8.0.0¹,¹⁷.0³,⁵.0¹³,¹⁵]icosa-10,19-dien-7-one
C28H35NO6 (481.24642500000004)
(1r,3r,5s,6r,7r,8s,10e,12r,13s,14s,16r,17r,18s)-18-benzyl-7,13,20-trihydroxy-6,8,14,16-tetramethyl-4,15-dioxa-19-azapentacyclo[10.8.0.0¹,¹⁷.0³,⁵.0¹⁴,¹⁶]icosa-10,19-dien-2-one
C28H35NO6 (481.24642500000004)
18-benzyl-20-hydroxy-8-(hydroxymethyl)-6,15,16-trimethyl-2,14-dioxa-19-azatetracyclo[10.8.0.0¹,¹⁷.0¹³,¹⁵]icosa-10,19-diene-3,7-dione
C28H35NO6 (481.24642500000004)
18-benzyl-8,20-dihydroxy-6,8,15,16-tetramethyl-2,14-dioxa-19-azatetracyclo[10.8.0.0¹,¹⁷.0¹³,¹⁵]icosa-10,19-diene-3,7-dione
C28H35NO6 (481.24642500000004)
(1's,4r,5'r,7's,10'r,11's,15's)-1'-hydroxy-5'-(2-hydroxypropan-2-yl)-10',11'-dimethyl-1,2-dihydro-6'-oxaspiro[3,1-benzoxazine-4,13'-tetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadecan]-2'-ene-4',12'-dione
C28H35NO6 (481.24642500000004)
(4e,7s)-n-[(2e)-2-[(5r)-5-(acetyloxy)-6-oxocyclohex-1-en-1-yl]-3-chloroprop-2-en-1-yl]-7-methoxytetradec-4-enimidic acid
C26H40ClNO5 (481.2594860000001)