• Quinoxaline,2-methyl-3-(methylsulfinyl)-, 1,4-dioxide
• 39576-76-6
• C10H10 N2 O3 S
• 238.263
• .

• Quinoxaline,1,4-bis(chloroacetyl)-1,2,3,4-tetrahydro-2-methyl- (7CI,8CI,9CI)
• 6699-47-4
• C13H14 Cl2 N2 O2
• 301.1685
• .

• Quinolinium,1-[2-oxo-2-(3-phenanthrenyl)ethyl]-, iodide (1:1)
• 6278-07-5
• C25H18 N O . I
• 348.416
• .

• Quinolinium,6-methoxy-1-(2-oxo-2-phenylethyl)-, iodide (1:1)
• 6625-26-9
• C18H16 N O2 . I
• 278.3246
• .

• Quaternary ammoniumcompounds, N,N'-dibenzyl-N-(C12-20 and C12-20-unsatd.alkyl)-N,N',N'-tris(hydroxyethyl)trimethylenedi-, dichlorides
• 91080-95-4
• 293-594-8
• .

• Quinoline,2-[(1E)-2-phenylethenyl]-
• 38101-69-8
• C17H13 N
• 231.2918
• .

• Quetol 523 (9CI)
• 75537-42-7
• 0
• .

• Quinoline,4-azido-2-methyl-
• 32113-04-5
• C10H8 N4
• 185.2047
• .

• Quinoline,8-(1,1-dimethylethyl)-
• 75413-96-6
• C13H15 N
• 278-200-4
• 185.2649
• .

• Quinoline,2-chloro-4-(2-phenylethenyl)-
• 93260-59-4
• C17H12 Cl N
• 265.7369
• .

• Quinoline,4-methyl-8-nitro-
• 2801-29-8
• C₁₀H₈N₂O₂
• 188.1827
• .

• Quaternary ammoniumcompounds, trimethylsoya alkyl, Me sulfates
• 68440-54-0
• 270-460-7
• .

• Quinoxaline,2-(dimethoxymethyl)-, 1,4-dioxide
• 32065-66-0
• C₁₁H₁₂N₂O₄
• 250-910-9
• 236.22398
• .

• Quinoxaline,2,2'-(1,4-phenylene)bis[3-phenyl-
• 41758-31-0
• C34H22 N4
• 486.5653
• .

• Quinoline,2-[2-(4-methoxyphenyl)ethenyl]-
• 5395-56-2
• C18H15 N O
• 261.3178
• .

• Quinoline,2-butyldecahydro-, (2S,4aR,8aR)-
• 63983-60-8
• C13H25 N
• 0
• .

• Quinoline, 4-bromo-6-nitro-2-(1-piperazinyl)-
• 143954-73-8
• C₁₃H₁₃BrN₄O₂
• 0
• .

• Quinoline,8-bromo-4-(3,3-dimethyl-1-triazen-1-yl)-
• 65340-82-1
• C11H11 Br N4
• 279.1358
• .

• Quinoline,4-chloro-6-nitro-
• 13675-94-0
• C₉H₅ClN₂O₂
• 208.6012
• .

• Quinolinium,4-[3-(3-methyl-2(3H)-benzothiazolylidene)-1-propen-1-yl]-1-[3-(trimethylammonio)propyl]-,iodide (1:2)
• 157199-63-8
• C26H31 N3 S . 2 I
• 671.42
• .

• Quinoline,2-[(dodecylphenyl)methyl]-4-methyl-
• 70660-62-7
• C29H39 N
• 401.6267
• .

• Quaternary ammoniumcompounds, tris(hydrogenated tallow alkyl)methyl, chlorides
• 308074-73-9
• .

• Quinoline,5,8-dimethoxy-2-(2-nitrophenyl)-
• 61472-25-1
• C17H14 N2 O4
• 310.3041
• .

• Quaternary ammoniumcompounds,N-[3-[dimethyl[3-(trimethylammonio)propyl]ammonio]propyl]-N,N,N',N'-tetramethyl-N'-tallowalkyltrimethylenedi-, tetrachlorides
• 91081-11-7
• 293-612-4
• .

• Quinoline,2-(1-piperidinyl)-
• 46708-03-6
• C14H16 N2
• 212.2902
• .

• Quinoxaline,decahydro-2,3-dimethyl-, hydrochloride (1:2)
• 6639-85-6
• C10H20 N2 . 2 Cl H
• 168.2792
• .

• Quinoxapeptin A (9CI)
• 175484-07-8
• C68H84 N16 O22
• .

• Quinoline,2-hydrazinyl-8-nitro-
• 55570-69-9
• C9H8 N4 O2
• 204.1854
• .

• Quinolinium,1,7-dimethyl-, iodide (1:1)
• 14061-25-7
• C11H12 N . I
• 158.2191
• .

• Quino[2,3-b]acridine-7,14-dione,5,12-dihydro-2,9-dimethoxy-
• 6328-64-9
• C22H16 N2 O4
• 322.7882
• .

• Quaternary ammoniumcompounds, bis(C8-18 and C18-unsatd. alkyl)dimethyl, chlorides
• 68918-78-5
• 272-869-6
• .

• Quino[2,3-b]acridine-7,14-dione,5,12-dihydro-2,9-dimethoxy-
• 2190-64-9
• C22H16 N2 O4
• 372.3734
• .

• Quinolinium,6-[(3-ethyl-4-oxo-2-thioxo-5-thiazolidinylidene)methyl]-1-methyl-, iodide (1:1)
• 4831-50-9
• C16H15 N2 O S2 . I
• 375.2088
• .

• Quaternary ammoniumcompounds,N-C12-18-alkyl-N,N',N'-tris(hydroxyethyl)-N,N'-dimethyltrimethylenedi-, C12-22carboxylates (esters), dichlorides
• 91080-85-2
• 293-583-8
• .

• Quaternary ammoniumcompounds, di-C14-18-branched alkyldimethyl, chlorides
• 93763-78-1
• 297-899-7
• .

• Quinoline,2,4-dichloro-
• 703-61-7
• C9H5 Cl2 N
• 198.0487
• .

• Quinazolinium,4-hydroxy-2,3-dimethyl-5-nitro-
• 7467-38-1
• C10H9 N3 O3
• 221.2126
• .

• Quinoline,2-(phenylmethyl)-
• 1745-77-3
• C16H13 N
• 219.28
• .

• Quinoline,6-methoxy-2-(trifluoromethyl)-
• 1700-87-4
• C11H8 F3 N O
• 227.1825
• .

• Quaternary ammoniumcompounds, coco alkyl(2,3-dihydroxypropyl)dimethyl, 3-phosphates (esters),chlorides, sodium salts
• 173010-79-2
• C₁₉H₁₉N₃O₂
• 0
• .

• Quinoxaline,1,2,3,4-tetrahydro-1,4-bis(2-methyl-1-oxo-2-propenyl)- (9CI)
• 6699-46-3
• C16H18 N2 O2
• 270.3263
• .

• Quaternary ammoniumcompounds, bis(hydrogenated tallow alkyl)(2-hydroxypropyl)methyl, chlorides
• 91080-69-2
• 293-566-5
• .

• Quaternary ammoniumcompounds, dimethylditallow alkyl, Me sulfates
• 91721-96-9
• 294-398-5
• .

• Quinoline,6-chloro-4-phenyl-2-(3,4,5-trimethoxyphenyl)-
• 21923-49-9
• C24H20 Cl N O3
• 405.8735
• .

• Quinolinium,1-(2-[1,1'-biphenyl]-4-yl-2-oxoethyl)-, bromide (1:1)
• 75613-97-7
• C23H18 N O . Br
• 324.3946
• .

• Quinoline,6-bromo-4-hydrazinyl-2-(trifluoromethyl)-
• 1701-32-2
• C10H7 Br F3 N3
• 306.0819
• .

• Quinolinium,2-[2-(4-hydroxy-3-methoxyphenyl)ethenyl]-1-methyl-, iodide (1:1)
• 5418-80-4
• C19H18 N O2 . I
• 293.3597
• .

• Quinolinium,1-ethyl-4-[(1-ethyl-2(1H)-pyridinylidene)methyl]-, iodide (1:1)
• 84255-08-3
• C19H21 N2 . I
• 282-555-0
• 404.28791
• .

• Quinoxaline,2-chloro-3-methyl-
• 32601-86-8
• C₉H₇ClN₂
• 178.62
• .

• Quinoxaline,1,2,3,4-tetrahydro-1-(phenylsulfonyl)-4-propyl-
• 7151-46-4
• C17H20 N2 O2 S
• 316.4179
• .