SENYAWA METABOLIT SEKUNDER DARI EKSTRAK DIKLOROMETANA KULITBATANG BAKAU MERAH (Rhizophora stylosa)SECONDARY METABOLITES FROM DICHLOROMETHANE EXTRACT OF REDMANGROVE’S STEM BARK (Rhizophora stylosa) - ROFIDA MUKHARROMAH, RIZA (UNESA Journal of Chemistry, 1970)