| 1 | | Β-萘磺酸甲醛缩合物 | dispersant FDN-90 | C21H16O6S2
| 化工助剂;油田化学品;钻井用化学品 | |
| 2 | | METHYLENEBISNAPHTHALENESULPHONATE | METHYLENEBISNAPHTHALENESULPHONATE | C21H16O6S2
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| 3 | 31154-87-7 | methylenebisnaphthalene-2-sulphonic acid | methylenebisnaphthalene-2-sulphonic acid | C21H16O6S2
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| 4 | 68959-09-1 | 3,6'-methylenebisnaphthalene-2-sulphonic acid | 3,6'-methylenebisnaphthalene-2-sulphonic acid | C21H16O6S2
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| 5 | | 1,1-METHYLENE-BIS(7-NAPHTHALENE SULFONIC ACID) | 1,1-METHYLENE-BIS(7-NAPHTHALENE SULFONIC ACID) | C21H16O6S2
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| 6 | | 1,1'-Dimethoxy-4,4'-dihydro-3,3'-spirobi[1,4-epoxy-2-benzothiepin]-5,5'(1H,1'H)-dione | 1,1'-Dimethoxy-4,4'-dihydro-3,3'-spirobi[1,4-epoxy-2-benzothiepin]-5,5'(1H,1'H)-dione | C21H16O6S2
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