1',3'-Dihydro-1',3',3'-Trimethyl-6-Nitro-Spiro[2H-1-Benzopyran-2,2'-[2H]Indole](CAS:1498-88-0)
Melting point of 178 ° C, 99% content (HPLC), the appearance of bright yellow crystalline powder.
5-Chloro-1,3,3-Trimethyl-1,3-Dihydrospiro[Indole-2,3'-Naphtho[2,1-b][1,4]Oxazine](CAS:27333-50-2)
3,3-trimethyl-1,3-dihydrospiro [indole-2,3'-naphtho [2,1-b] [1,4] oxazine]；; Boiling point of 568.372 ° C; appearance of green.
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