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4,4'-((6E,9Z,15Z,19E)-10,15-bis(3,5-di-tert-butyl-4-hydroxyphenyl)-5H,20H-porphyrin-5,20-diylidene)bis(2,6-di-tert-butylcyclohexa-2,5-dien-1-one)
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4,4',4'',4'''-porphine-5,10,15,20(21H,22H,23H,24H)-tetraylidenetetrakis(2,6-di-tert-butylcyclohexa-2,5-dien-1-one)
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