Description: 534 organic compounds -- part of the class 532-570 series / 534 organic compounds -- part of the class 532-570 series/() organic compounds (class 532, subclass 1) (573) azo (739) azo bonded directly to an acylic carbon which is bonded directly to two acyclic carbons, each of which is double or triple bonded to an atom (743) at least three azo groups attached indirectly to each other by nonionic bonding
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